Purchasing, production, and sales strategies for a production system with limited capacity, fluctuating sales and purchasing prices. - Oktay Karabag; Baris Tan (IISE Trans., 2019)

An empirical analysis of the main drivers affecting the buyer surplus in E-auctions. - Oktay Karabag; Baris Tan (Int. J. Prod. Res., 2019)

Integrated optimization of maintenance interventions and spare part selection for a partially observable multi-component system. - Oktay Karabag; Ayse Sena Eruguz; Rob J. I. Basten (Reliab. Eng. Syst. Saf., 2020)

Production and energy mode control of a production-inventory system. - Baris Tan; Oktay Karabag; Siamak Khayyati (Eur. J. Oper. Res., 2023)

Integrated optimisation of pricing, manufacturing, and procurement decisions of a make-to-stock system operating in a fluctuating environment. - Oktay Karabag; Burak Gökgür (Int. J. Prod. Res., 2023)

Energy-efficient production control of a make-to-stock system with buffer- and time-based policies. - Baris Tan; Oktay Karabag; Siamak Khayyati (Int. J. Prod. Res., 2024)

An efficient procedure for optimal maintenance intervention in partially observable multi-component systems. - Oktay Karabag; Önder Bulut; Ayhan Özgür Toy; Mehmet Murat Fadiloglu (Reliab. Eng. Syst. Saf., 2024)

Purchasing and remanufacturing decisions with different quality returned material and finished goods. - Oktay Karabag; Fikri Karaesmen; Baris Tan (Int. J. Prod. Res., 2025)