TY - JOUR AU - Keshavarzi, Hooman AU - Iranban, Sayed Javad AU - Mohammadian, Moghadeseh TI - Designing a Product Development Process Model in Gas Refining Companies Based on Grounded Theory JO - Journal of Management and Sustainable Development Studies VL - 2 IS - 4 SP - 23 EP - 42 PY - 2023 DO - 10.30495/msds.2023.1974735.1103 ER -