TY - JOUR AU - Askarian, alireza AU - Mirza Ebrahim Tehrani, mahnaz TI - Economic analysis of gas extraction refining risk response strategies by NPV method (Case study in the Gas Refinery) JO - Journal of Strategic Management in Industrial Systems VL - 16 IS - 55 SP - 1 EP - 15 PY - 2021 DO - 10.30495/imj.2021.681441 ER -