Fadhlirohman Soeroyo, I., & Yudoko, G. (2026). Developing A Project Management Maturity Model to Enhance Execution Performance in Solar EPCProjects: A Case Study of an Engineering, Procurement, and Construction (EPC) Company. Journal Research of Social Science, Economics, and Management, 5(12), 13141–13157. https://doi.org/10.59141/jrssem.v5i12.1528