A. A. D. Parami Dewi, D. K. Sudarsana, and P. I. P. Wiraningsih, “Analysis of Optimum Bid and Contractor’s Effort in Obtaining Profit”, International Journal of Civil, Mechanical and Energy Science, vol. 8, no. 4, Jul. 2022, Accessed: Jul. 22, 2024. [Online]. Available: https://journal-repository.com/index.php/ijcmes/article/view/5237