TY - JOUR AU - sarvar masouleh, mohammad AU - Azizi, amir TI - Simulation and optimization model of the Signoff units in order to increase the logistic productivity and reduce the production and quality costs: A Case Study in Saipa Automotive Company JO - Journal of New Researches in Mathematics VL - 7 IS - 4 SP - 73 EP - 100 PY - 2021 DO - ER -