TY - JOUR AU - Anil Kumar, Boina AU - Paikray, Susanta Kumar TI - Cost optimization inventory model for deteriorating items with trapezoidal demand rate under completely backlogged shortages in crisp and fuzzy environment JO - RAIRO. Operations Research PY - 2022 SP - 1969 EP - 1994 VL - 56 IS - 3 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/ro/2022068/ DO - 10.1051/ro/2022068 LA - en ID - RO_2022__56_3_1969_0 ER -