TY - JOUR AU - Roy, Balaji AU - Giri, Bibhas Chandra TI - A three-echelon supply chain model with price and two-level quality dependent demand JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2020 SP - 37 EP - 52 VL - 54 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2018066/ DO - 10.1051/ro/2018066 LA - en ID - RO_2020__54_1_37_0 ER -