A Decentralized Model for Allied Closed-Loop Supply Chains: Comparative Analysis of Interactive Fuzzy Programming Approaches. - Ahmet Çalik; Turan Paksoy; Abdullah Yildizbasi; Nimet Yapici Pehlivan (Int. J. Fuzzy Syst., 2017)

A Novel Interactive Fuzzy Programming Approach for Optimization of Allied Closed-Loop Supply Chains. - Ahmet Çalik; Nimet Yapici Pehlivan; Turan Paksoy; Gerhard-Wilhelm Weber (Int. J. Comput. Intell. Syst., 2018)

A hybrid approach for selecting sustainable suppliers and determining order allocation based on interval type-2 fuzzy sets. - Ahmet Çalik (J. Enterp. Inf. Manag., 2020)

A novel Pythagorean fuzzy AHP and fuzzy TOPSIS methodology for green supplier selection in the Industry 4.0 era. - Ahmet Çalik (Soft Comput., 2021)

Evaluating Supply Resilience Performance of an Automotive Industry during Operational Shocks: A Pythagorean Fuzzy AHP-VIKOR-Based Approach. - Ahmet Çalik; Stephen Taiwo Onifade; Andrew Adewale Alola (Syst., 2023)

Review of Barriers to Implement Blockchain Technologies in Logistics. - Sinan Cizmecioglu; Ahmet Çalik; Esra Boz (ICBTA, 2024)

An integrated p,q-quasirung orthopair fuzzy decision-making approach for strategic selection of competitive intelligence platforms. - Sinan Cizmecioglu; Ahmet Çalik; Erfan Babaee Tirkolaee (Eng. Appl. Artif. Intell., 2025)