TY - JOUR AU - HormozzadehGhalati, Hajar AU - Abbasi, Alireza AU - Sadeghi-Niaraki, Abolghasem TI - Optimal multi-product supplier selection under stochastic demand with service level and budget constraints using learning vector quantization neural network JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2019 SP - 1709 EP - 1720 VL - 53 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2018096/ DO - 10.1051/ro/2018096 LA - en ID - RO_2019__53_5_1709_0 ER -