Karamad, S. ., Dehghan Dehnavi, H., Babaei Meybodi, H., & Rabbani, M. (2024). 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, 6(2), 134-143. https://doi.org/10.61838/msesj.6.2.14