Fadhlirohman Soeroyo, Iftikar, and Gatot Yudoko. 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):13141-57. https://doi.org/10.59141/jrssem.v5i12.1528.