“Evaluating the Efficiency of Sustainable Suppliers Based on Human and Environmental Indicators Using Data Envelopment Analysis and Gap Analysis (Case Study: Petrochemical Companies)”, MSES, vol. 6, no. 2, pp. 134–143, Sep. 2024, Accessed: Nov. 24, 2024. [Online]. Available: https://msesj.com/index.php/mses/article/view/85