TY - JOUR ID - 71714 TI - First Pages JO - Advances in Industrial Engineering JA - AIE LA - en SN - Y1 - 2019 PY - 2019 VL - 52 IS - 1 SP - 1 EP - 2 DO - 10.22059/jieng.2019.71714 N2 - UR - https://aie.ut.ac.ir/article_71714.html L1 - https://aie.ut.ac.ir/article_71714_64516bf51ee0a7269c50af488891d81e.pdf ER -