European Journal of Operational Research
European Journal of Operational Research > 2017 > 258 > 3 > 844-865
European Journal of Operational Research > 2017 > 261 > 1 > 43-53
European Journal of Operational Research > 2017 > 262 > 1 > 1-13
European Journal of Operational Research > 2017 > 263 > 2 > 349-355