Erginel, Nihal
Şentürk, Sevil
Yıldız, Gülay
Article History
First Online: 4 June 2018
Compliance with ethical standards
:
: Author N. Erginel is a member of the Turkish Operations Research Society. Authors S. Şentürk and G. Yıldız declare that they have no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.