1 | Department of Industrial Engineering TOBB University of Economics and Technology Sogutozu str., 06560 Ankara, Turkey |
2 | Department of Statistics Bartin University Kutlubey-Yazicilar campus, 74100 Bartin, Turkey |
3 | Department of Statistics Gazi University Teknikokullar str., 06500 Ankara, Turkey |
4 | Department of Economic Cybernetics Baku State University Khalilov str. 23, AZ 1148 Baku, Azerbaijan |