Muhammad F. A. Bakhri, and I P. A. Wiguna. “Factors Affecting Cost Performance Completion On Toll Road Projects With Turnkey Contracts”. Journal of Civil Engineering 40, no. 3 (December 8, 2025): 222–229. Accessed February 5, 2026. https://journal.its.ac.id/index.php/jce/article/view/8879.