Two-machine flow shop scheduling with two criteria: Maximum earliness and makespan. - Berkin Toktas; Meral Azizoglu; Suna Kondakci Köksalan (Eur. J. Oper. Res., 2004)

Addressing capacity uncertainty in resource-constrained assignment problems. - Berkin Toktas; Joyce W. Yen; Zelda B. Zabinsky (Comput. Oper. Res., 2006)