A TSP (1, 2) application arising in cable assembly shops. - Ekrem Duman; M. Hamdi Özçelik; Ahmet N. Ceranoglu (J. Oper. Res. Soc., 2005)

Preventing Internet Banking Fraud and Money Laundering Using Customer Trustability Index. - M. Hamdi Özçelik; Ekrem Duman (Web Intelligence and Security - Advances in Data and Text Mining Techniques for Detecting and Preventing Terrorist Activities on the Web, 2010)

Detecting credit card fraud by genetic algorithm and scatter search. - Ekrem Duman; M. Hamdi Özçelik (Expert Syst. Appl., 2011)

Cross-Selling Investment Products with a Win-Win Perspective in Portfolio Optimization. - Özden Gür Ali; Yalçin Akçay; Serdar Sayman; Emrah Yilmaz; M. Hamdi Özçelik (Oper. Res., 2017)

Enhanced nearest centroid model tree classifier. - M. Hamdi Özçelik; Ekrem Duman; Selami Bagriyanik; Serol Bulkan (Discov. Comput., 2025)