European Journal of Operational Research
European Journal of Operational Research > 2018 > 264 > 2 > 675-685
European Journal of Operational Research > 2018 > 265 > 1 > 195-207
European Journal of Operational Research > 2018 > 266 > 1 > 193-204
European Journal of Operational Research > 2018 > 266 > 2 > 595-608
European Journal of Operational Research > 2018 > 266 > 3 > 1086-1099