Metrics
Publication
68
Open Access
5
UN Sustainable Development Goals
Education
2018 - 2023
2018 - 2023Doctorate
Galatasaray University, Fen Bilimleri Enstitüsü, Endüstri Mühendisliği, Turkey
2016 - 2018
2016 - 2018Postgraduate
Galatasaray University, Fen Bilimleri Enstitüsü, Endüstri Mühendisliği (Yl) (Tezli), Turkey
2011 - 2016
2011 - 2016Undergraduate
Galatasaray University, Mühendislik ve Teknoloji Fakültesi, Endüstri Mühendisliği Bölümü, Turkey
Dissertations
2023
2023Doctorate
MODELLING AND ANALYSIS OF DIGITAL GOVERNMENT TRANSFORMATION
Galatasaray University, Fen Bilimleri Enstitüsü
2018
2018Postgraduate
EVALUATION FRAMEWORK FOR THE DIGITAL MATURITY MODEL WITH HESITANT FUZZY MULTI CRITERİA DECISION MAKING TECHNIQUES
Galatasaray University, Fen Bilimleri Enstitüsü
Foreign Languages
B2 Upper Intermediate
B2 Upper IntermediateEnglish
C1 Advanced
C1 AdvancedFrench
Research Areas
Industrial Engineering
Decision Theory
Research Areas Based on Academic Activities
Avesis Research Areas
WoS Research Areas
Scopus Research Areas
Academic Positions
2017 - Continues
2017 - ContinuesResearch Assistant
Galatasaray University, Mühendislik ve Teknoloji Fakültesi, Endüstri Mühendisliği
Articles
All (11)
SCI-E, SSCI, AHCI (7)
SCI-E, SSCI, AHCI, ESCI (7)
Scopus (7)
TRDizin (3)
Other Publications (1)
2025
20251. A hesitant fuzzy approach to renewable energy technology selection aligned with sustainable development goals in Turkey
GÜLER KESMEZ M., MUKUL TAYLAN E., Konyalıoğlu A. K.
Sustainable Chemistry and Pharmacy
, vol.48, 2025 (SCI-Expanded, Scopus)
2025
20252. Cybersecurity maturity assessment using an incomplete hesitant fuzzy AHP method and Bonferroni means operator
Güler Kesmez M., Büyüközkan Feyzioğlu G.
Expert Systems with Applications
, vol.282, 2025 (SCI-Expanded, Scopus)
2025
20253. Cybersecurity maturity model: Systematic literature review and a proposed model
Büyüközkan Feyzioğlu G., Güler Kesmez M.
Technological Forecasting and Social Change
, vol.213, 2025 (SSCI, Scopus)
2023
20234. A Survey of Digital Government: Science Mapping Approach, Application Areas, and Future Directions
Güler Kesmez M., Büyüközkan Feyzioğlu G.
Systems
, vol.11, no.12, 2023 (SSCI, Scopus)
2021
20215. A combined hesitant fuzzy MCDM approach for supply chain analytics tool evaluation
Büyüközkan Feyzioğlu G., Guler M.
APPLIED SOFT COMPUTING
, vol.112, 2021 (SCI-Expanded, Scopus)
2020
20206. Smart watch evaluation with integrated hesitant fuzzy linguistic SAW-ARAS technique
Büyüközkan Feyzioğlu G., Güler Kesmez M.
MEASUREMENT
, vol.153, 2020 (SCI-Expanded, Scopus)
2020
20207. Analysis of companies' digital maturity by hesitant fuzzy linguistic MCDM methods
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
JOURNAL OF INTELLIGENT & FUZZY SYSTEMS
, vol.38, no.1, pp.1119-1132, 2020 (SCI-Expanded, Scopus)
2019
20198. Evaluation of Supply Chain Analytics with an Integrated Fuzzy MCDM Approach
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M., MUKUL E., GÖÇER F.
BEYKOZ AKADEMİ DERGİSİ
, pp.136-147, 2019 (TRDizin)
2019
20199. Lojistik 4.0 Teknolojilerinin Analizi için Metodolojik Yaklaşım
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
Girişimcilik ve İnovasyon Yönetimi Dergisi /Journal of Entrepreneurship and Innovation Management - JEIM , vol.8, pp.21-47, 2019 (TRDizin)
2019
201910. STRATEGIC ANALYSIS OF INTELLIGENT TRANSPORTATION SYSTEMS
MUKUL E., BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
Beykoz Akademi Dergisi
, pp.148-158, 2019 (TRDizin)
2019
201911. STRATEGY SELECTION FOR DIGITAL COMPANIES WITHAHP-VIKOR TECHNIQUES
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
Journal of Knowlede Economy and Knowledge Management , vol.14, no.1, pp.1-14, 2019 (Peer-Reviewed Journal)
Papers Presented at Peer-Reviewed Scientific Conferences
2025
20251. A KPI-Based Evaluation of Emerging Technologies for 6G Using An Integrated Hesitant Fuzzy Approach
MUKUL TAYLAN E., GÜLER KESMEZ M.
IEEE International Mediterranean Conference on Communications and Networking, Nice, France, 7 - 10 July 2025, (Full Text)
2025
20252. A Hesitant Fuzzy MCDM Approach for Evaluating the Digital Marketing Channels
GÜLER KESMEZ M., MUKUL TAYLAN E.
17th International Conference on Advanced Computational Intelligence (ICACI 2025), Bath, England, 7 - 13 July 2025, (Full Text)
2024
20243. An Integrated Hesitant Fuzzy-based SWOT Analysis for Industry 5.0 Technology Evaluation
MUKUL TAYLAN E., GÜLER KESMEZ M.
8th International Symposium on Innovative Approaches in Smart Technologies, İstanbul, Turkey, 6 - 07 December 2024, (Full Text)
2024
20244. A Group Decision-Making Approach Based on HFL MCDM Methods: Sustainable Supplier Selection
GÜLER KESMEZ M., MUKUL TAYLAN E.
International Conference on Decision Aid Sciences and Applications (DASA 2024), Bahrain, 11 - 12 December 2024, (Full Text)
2024
20245. A Fuzzy Cognitive Map Methodology for Assessment of Immersive Technologies
GÜLER KESMEZ M.
International Academic Conference on Engineering, Transport, IT and Artificial Intelligence (IAC-ETITAI 2024), Hungary, 1 - 02 December 2024, (Full Text)
2023
20236. An Integrated Fuzzy MCDM Methodology for Assessment of 5G Solutions
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
Virtual International Academic Conference in 2023 (VIAC2023), Czech Republic, 27 October 2023, pp.147-155, (Full Text)
2023
20237. Evaluation of Critical Success Factors for Digital Education with Hesitant Fuzzy Linguistic MCDM Approach
MUKUL TAYLAN E., BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
International Conferences on Science and Technology Engineering Science and Technology, KARADAĞ, 30 August - 01 September 2023, pp.153-160, (Full Text)
2023
20238. Prioritization of Cybersecurity Strategies: A Hesitant Fuzzy Linguistic MCDM Approach
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL TAYLAN E.
International Conferences on Science and Technology Engineering Science and Technology, KARADAĞ, 30 August - 01 September 2023, pp.209-216, (Full Text)
2023
20239. Assessment of Sustainable Energy Resources with Hesitant Fuzzy Linguistic AHP-MULTIMOORA Methods
MUKUL TAYLAN E., GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
Intelligent and Fuzzy Systems - Intelligence and Sustainable Future Proceedings of the INFUS 2023 Conference, İstanbul, Turkey, 22 - 24 August 2023, vol.759 LNNS, pp.285-292, (Full Text)
2022
202210. Assessment of Success Factors for AI Application in Supply Chain Management with Fuzzy SAW-MOORA Methods
GÜLER KESMEZ M., MUKUL TAYLAN E., BÜYÜKÖZKAN FEYZİOĞLU G.
5th European Conference on Industrial Engineering and Operations Management, Roma, Italy, 25 July 2022, (Full Text)
2022
202211. Hesitant Fuzzy Linguistic Term Sets based AHP-ARAS Methodology for Assessment of Sustainability Action Areas
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M., MUKUL TAYLAN E.
5th European Conference on Industrial Engineering and Operations Management, Roma, Italy, 25 July 2022, (Full Text)
2022
202212. Prioritization of Action Plans for Disaster Management using Hesitant Fuzzy Linguistic SAW-COPRAS Methods
BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL TAYLAN E., GÜLER KESMEZ M.
5th European Conference on Industrial Engineering and Operations Management, Roma, Italy, 25 July 2022, (Full Text)
2022
202213. Evaluation of Digital Solutions for Sustainable Cities with Fuzzy AHP-EDAS Methods
MUKUL TAYLAN E., GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
5th European Conference on Industrial Engineering and Operations Management, Roma, Italy, 25 July 2022, (Full Text)
2022
202214. Evaluation of Supply Chain Tools with Fuzzy AHP COPRAS Methodology for Intelligent Supply Chain Management
MUKUL TAYLAN E., GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
33. Central European Conference on Information and Intelligent Systems (CECIIS 2022), Dubrovnik, Croatia, 21 - 23 September 2022, pp.423-429, (Full Text)
2022
202215. Digital Transformation Technology Evaluation in a post COVID-19 World with an Integrated Fuzzy SAW-ARAS Methodology
GÜLER KESMEZ M., MUKUL TAYLAN E., BÜYÜKÖZKAN FEYZİOĞLU G.
33. Central European Conference on Information and Intelligent Systems (CECIIS 2022), Dubrovnik, Croatia, 21 - 23 September 2022, pp.417-421, (Full Text)
2022
202216. Using a Hesitant Fuzzy Decision-Making Approach to Logistics Partner Selection
Büyüközkan Feyzioğlu G., Güler Kesmez M.
IAC-TLTS 2022, Praha, Czech Republic, 27 - 28 May 2022, pp.1-9, (Full Text)
2021
202117. Evaluation of Clean Energy Alternatives with Hesitant Fuzzy Linguistic MCDM Methods
MUKUL E., GÜLER KESMEZ M., Büyüközkan G.
International Conference on Intelligent and Fuzzy Systems, INFUS 2021, İstanbul, Turkey, 24 - 26 August 2021, vol.307, pp.325-332, (Full Text)
2021
202118. Strategy Evaluation for Emergency Logistics Management of Disasters
GÜLER KESMEZ M., MUKUL TAYLAN E., BÜYÜKÖZKAN FEYZİOĞLU G.
19th International Logistics and Supply Chain Congress, Gaziantep, Turkey, 21 - 22 October 2021, (Summary Text)
2021
202119. Evaluation of Sustainability for Turkey's Cities with Hesitant Fuzzy Linguistic MCDM Methods
MUKUL E., GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
32. Central European Conference on Information and Intelligent Systems (CECIIS), Croatia, 13 - 15 October 2021, pp.309-314, (Full Text)
2021
202120. Assessing the Maturity for Digital Education with HFL DEMATEL-HFL ARAS Techniques
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M., MUKUL E.
32. Central European Conference on Information and Intelligent Systems (CECIIS), Croatia, 13 - 15 October 2021, pp.303-307, (Full Text)
2021
202121. Evaluation of Clean Energy Alternatives with HFL MCDM Methods
MUKUL TAYLAN E., GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
International Conference on Intelligent and Fuzzy Systems (INFUS 2021), İzmir, Turkey, 24 - 26 July 2021, pp.325-332, (Full Text)
2021
202122. Siber Güvenlik Strateji Seçimi
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
40. Yöneylem Araştırması ve Endüstri Mühendisliği (YAEM 2021), İstanbul, Turkey, 5 - 07 July 2021, pp.110, (Summary Text)
2021
202123. Assessment of logistics 4.0 technologies with a fuzzy MCDM methodology
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL E.
International Academic Conference on Engineering, Transport, IT and Artificial Intelligence, Viyana, Austria, 2 - 03 July 2021, (Full Text)
2021
202124. Prioritization of strategic goals for smart city governance with fuzzy MCDM techniques
MUKUL E., BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
International Academic Conference on Engineering, Transport, IT and Artificial Intelligence, Viyana, Austria, 2 - 03 July 2021, (Full Text)
2019
201925. Business Intelligence System Selection with Hesitant Fuzzy Linguistic MCDM Methods
MUKUL E., BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
International Conference on Data Science and Business Analytics, İstanbul, Turkey, 11 - 12 October 2019, (Full Text)
2019
201926. An Integrated Hesitant Fuzzy MCDM Methodology for Supply Chain Analytics Tool Selection
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL E.
International Conference on Data Science and Business Analytics, İstanbul, Turkey, 11 - 12 October 2019, (Full Text)
2020
202027. Digital technology assessment for healthcare logistics with fuzzy MCDM methods
MUKUL E., BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
International Academic Conference on Engineering, Transport, IT and AI, Budapest, Hungary, 20 - 21 November 2020, (Full Text)
2020
202028. Evaluation of humanitarian logistics strategies with fuzzy SAW-EDAS methods
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL E.
International Academic Conference on Engineering, Transport, IT and AI, Budapest, Hungary, 20 - 21 November 2020, (Full Text)
2020
202029. Evaluation of digital technologies for healthcare logistics
MUKUL TAYLAN E., GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
18th International Logistics and Supply Chain Congress, İstanbul, Turkey, 15 - 16 October 2020, (Summary Text)
2019
201930. Evaluation of supply chain analytics maturity level with a hesitant fuzzy MCDM technique
Büyüközkan G., Güler M., MUKUL E.
International Conference on Intelligent and Fuzzy Systems, INFUS 2019, İstanbul, Turkey, 23 - 25 July 2019, vol.1029, pp.1076-1084, (Full Text)
2019
201931. Analysis of e-government strategies with hesitant fuzzy linguistic multi-criteria decision making techniques
Güler M., MUKUL E., Büyüközkan G.
International Conference on Intelligent and Fuzzy Systems, INFUS 2019, İstanbul, Turkey, 23 - 25 July 2019, vol.1029, pp.1068-1075, (Full Text)
2019
201932. Evaluation of smart health technologies with hesitant fuzzy MCDM methods
MUKUL E., Güler M., Büyüközkan G.
International Conference on Intelligent and Fuzzy Systems, INFUS 2019, İstanbul, Turkey, 23 - 25 July 2019, vol.1029, pp.1059-1067, (Full Text)
2019
201933. Strategic Analysis of Intelligent Transportation Systems
MUKUL TAYLAN E., BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
17th International Logistics and Supply Chain Congress (LMSCM2019), İstanbul, Turkey, 17 - 18 October 2019, (Full Text)
2019
201934. Evaluation Of Supply Chain Analytics With An Integrated Fuzzy MCDM Approach
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL TAYLAN E.
17th International Logistics and Supply Chain Congress (LMSCM2019), İstanbul, Turkey, 17 - 18 October 2019, (Full Text)
2019
201935. Business Intelligence System Selection With AHP-VIKOR Methodology
GÜLER KESMEZ M., MUKUL E., BÜYÜKÖZKAN FEYZİOĞLU G.
6th International Conference on New Ideas in Management, Economics and Accounting, Paris, France, 19 - 21 April 2019, (Full Text)
2019
201936. Evaluation of Digital Marketing Technologies with MCDM Methods
MUKUL E., BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
6th International Conference on New Ideas in Management, Economics and Accounting, Paris, France, 19 - 21 April 2019, pp.41-56, (Full Text)
2019
201937. E-Devlet Uygulamaları İçin Dijital Olgunluk Modeli
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M.
39. Yöneylem Araştırması ve Endüstri Mühendisliği (YAEM 2019), Ankara, Turkey, 12 - 14 June 2019, pp.49-50, (Summary Text)
2019
201938. Analysis of Digital Transformation Strategies with an Integrated Fuzzy AHP-Axiomatic Design Methodology
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
9th IFAC/IFIP/IFORS/IISE/INFORMS Conference on Manufacturing Modelling, Management and Control (IFAC MIM), Berlin, Germany, 28 - 30 August 2019, vol.52, pp.1186-1191, (Full Text)
2018
201839. Evaluation of Smart City Logistics Solutions with Fuzzy MCDM Methods
BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL E., GÜLER M., FEYZİOĞLU O.
16th International Logistics and Supply Chain Congress (LMSCM), Denizli, Turkey, 18 - 20 October 2018, pp.462-469, (Full Text)
2018
201840. Digital Transformation Maturity Assessment for Supply Chains
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER M., MUKUL E.
16th International Logistics and Supply Chain Congress, Denizli, Turkey, 18 - 20 October 2018, (Full Text)
2018
201841. Etkin Dijital Dönüşüm Süreci için Strateji Seçimi
GÜLER KESMEZ M., BÜYÜKÖZKAN FEYZİOĞLU G.
38. Yöneylem Araştırması ve Endüstri Mühendisliği (YAEM 2018), Eskişehir, Turkey, 26 - 28 June 2018, pp.35-36, (Summary Text)
2018
201842. Analysis of Companies’ Digital Maturity by Hesitant Fuzzy Linguistic MCDM Methods
GÜLER KESMEZ M., MUKUL TAYLAN E., BÜYÜKÖZKAN FEYZİOĞLU G.
13th International FLINS Conference (FLINS 2018), Belfast, England, 21 - 24 August 2018, pp.1074-1082, (Full Text)
2018
201843. LOJİSTİK 4.0 İÇİN TEKNOLOJİ ANALİZİ VE SEÇİMİ
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER M.
7. ULUSAL LOJİSTİK VE TEDARİK ZİNCİRİ KONGRESİ, Bursa, Turkey, 3 - 05 May 2018, pp.75-85, (Full Text)
2018
201844. Analysis of companies' digital maturity with hesitant fuzzy linguistic MCMD methods
Guler M., MUKUL E., Buyukozkan G.
13th International Conference on Fuzzy Logic and Intelligent Technologies in Nuclear Science (FLINS), Belfast, United Kingdom, 21 - 24 August 2018, vol.11, pp.1074-1082, (Full Text)
2018
201845. Evaluation of smart cities with integrated hesitant fuzzy linguistic AHP-COPRAS method
MUKUL E., Guler M., Buyukozkan G.
13th International Conference on Fuzzy Logic and Intelligent Technologies in Nuclear Science (FLINS), Belfast, United Kingdom, 21 - 24 August 2018, vol.11, pp.1184-1191, (Full Text)
2017
201746. Business Intelligence System Selection for Logistics Companies
GÜLER M., DURAN F., BÜYÜKÖZKAN FEYZİOĞLU G.
15. International Logistics and Supply Chain Congress (LMSCM’2017), İstanbul, Turkey, 19 - 20 October 2017, (Full Text)
2017
201747. Hesitant Fuzzy Linguistic VIKOR Method for e-Health Technology Selection
GÜLER M., MUKUL E., BÜYÜKÖZKAN FEYZİOĞLU G.
The 5th International Fuzzy Systems Symposium (FUZZYSS’17), Ankara, Turkey, 14 - 15 October 2017, (Summary Text)
2017
201748. Hesitant Fuzzy Linguistic COPRAS Method for Marketing Strategy Selection
MUKUL E., GÜLER M., BÜYÜKÖZKAN FEYZİOĞLU G.
The 5th International Fuzzy Systems Symposium (FUZZYSS’17), Ankara, Turkey, 14 - 15 October 2017, (Summary Text)
2017
201749. A Hesitant Fuzzy Based TOPSIS Approach for Smart Glass Evaluation
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER M.
10th Conference of the European-Society-for-Fuzzy-Logic-and-Technology (EUSFLAT) / 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets (IWIFSGN), Warszawa, Poland, 11 - 15 September 2017, vol.641, pp.330-341, (Full Text)
2016
201650. Selection of Wearable Glasses In The Logistics Sector
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER M., UZTÜRK D.
14. International Logistics and Supply Chain Congress (LMSCM’2016), İzmir, Turkey, 1 - 02 December 2016, (Full Text)
Books
2023
20231. An Integrated Hesitant Fuzzy Linguistic MCDM Methods to Assess Smart City Solutions
BÜYÜKÖZKAN FEYZİOĞLU G., GÜLER KESMEZ M., MUKUL TAYLAN E.
in: Decision Making Using AI in Energy and Sustainability, , Editor, Springer, pp.221-232, 2023
2023
20232. Hesitant Fuzzy Linguistic AHP: Strategic Analysis of Mobile Service Quality Model Using for Shopping Applications
BÜYÜKÖZKAN FEYZİOĞLU G., MUKUL TAYLAN E., GÜLER KESMEZ M.
in: Analytic Hierarchy Process with Fuzzy Sets Extensions, , Editor, Springer, pp.201-223, 2023
2020
20203. An Integrated Fuzzy QFD Methodology for Customer Oriented Multifunctional Power Bank Design
Büyüközkan Feyzioğlu G., Güler Kesmez M., Mukul E.
in: Customer Oriented Product Design-Intelligent and Fuzzy Techniques, Cengiz Kahraman,Selçuk Çebi, Editor, Springer-Verlag , Aarau, pp.73-91, 2020
2018
20184. Strategic Renewable Energy Source Selection for Turkey with Hesitant Fuzzy MCDM Method
Büyüközkan Feyzioğlu G., Karabulut Y., Güler Kesmez M.
in: Energy Management—Collective and Computational Intelligence with Theory and Applications, Cengiz Kahraman,Gülgün Kayakutlu, Editor, Springer, Zürich, pp.229-250, 2018
Funded Projects
2023 - Present
2023 - PresentDijital Sistemlerin Modellenmesi, Analizi ve Uygulamaları
Project Supported by Higher Education Institutions , BAP Research Project
BÜYÜKÖZKAN FEYZİOĞLU G. (Executive), FEYZİOĞLU O., UZTÜRK BARAN D., GÜLER KESMEZ M., MUKUL TAYLAN E.
2021 - 2024
2021 - 2024Dijital Dönüşüm Sistemlerinin Modellenmesi ve Endüstriyel Uygulamaları
Project Supported by Higher Education Institutions , BAP Research Project
BÜYÜKÖZKAN FEYZİOĞLU G. (Executive), UZTÜRK BARAN D., FEYZİOĞLU O., MUKUL E., GÜLER KESMEZ M.