KARAMAD, Somayeh; DEHGHAN DEHNAVI, Hassan; BABAEI MEYBODI, Hamid; RABBANI, Mojdeh. Evaluating the Efficiency of Sustainable Suppliers Based on Human and Environmental Indicators Using Data Envelopment Analysis and Gap Analysis (Case Study: Petrochemical Companies). Management Strategies and Engineering Sciences, [S. l.], v. 6, n. 2, p. 134–143, 2024. DOI: 10.61838/msesj.6.2.14. Disponível em: http://msesj.com:8092/index.php/mses/article/view/85.. Acesso em: 5 sep. 2025.