Kunta Mustaqim Abdul Somad, et al. , translators. “Modeling the Relationship Between Green Supply Chain Management (GSCM) Elements and Operational Cost Efficiency Improvement in Pharmaceutical Companies Based on Systems Dynamics: A Case Study of PT. XYZ”. International Journal of Inventive Engineering and Sciences (IJIES), vol. 12, no. 7, July 2025, pp. 8-12, https://doi.org/10.35940/ijies.H1093.12070725.