European Journal of Operational Research
European Journal of Operational Research > 2016 > 248 > 3 > 744-757
European Journal of Operational Research > 2016 > 249 > 1 > 1-21
European Journal of Operational Research > 2016 > 253 > 1 > 1-13
European Journal of Operational Research > 2016 > 255 > 3 > 665-686