European Journal of Operational Research
European Journal of Operational Research > 2017 > 256 > 2 > 543-555
European Journal of Operational Research > 2017 > 258 > 2 > 743-760
European Journal of Operational Research > 2017 > 259 > 3 > 926-934
European Journal of Operational Research > 2017 > 260 > 2 > 613-624