TY - JOUR AU - Malihe Niksirat AU - S. Hadi Nasseri TI - Knapsack Problem in Fuzzy Nature: Different Models Based on Credibility Ranking Method JO - Yugoslav journal of operations research PY - 2022 SP - 203 VL - 32 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/YJOR_2022_32_2_a4/ LA - en ID - YJOR_2022_32_2_a4 ER -