Linear programming based approaches for the discrete time/cost trade-off problem in project networks. - A. Baykal Hafizoglu; Meral Azizoglu (J. Oper. Res. Soc., 2010)

Comparison of ambulance diversion policies via simulation. - Adrian Ramirez Nafarrate; A. Baykal Hafizoglu; Esma Senturk Gel; John W. Fowler (WSC, 2012)

Expected Tardiness Computations in Multiclass Priority M/M/c Queues. - A. Baykal Hafizoglu; Esma Senturk Gel; Pinar Keskinocak (INFORMS J. Comput., 2013)

Optimal control policies for ambulance diversion. - Adrian Ramirez Nafarrate; A. Baykal Hafizoglu; Esma Senturk Gel; John W. Fowler (Eur. J. Oper. Res., 2014)

Price and Lead Time Quotation for Contract and Spot Customers. - A. Baykal Hafizoglu; Esma Senturk Gel; Pinar Keskinocak (Oper. Res., 2016)