Rizky Pratama and Siti Rahmawati, “ Investor Delay Cost Estimation as a Strategic Tool for Improving Private Investment Process Efficiency”, ssms, vol. 6, no. 09, pp. 63–72, Sep. 2026, Accessed: Oct. 13, 2026. [Online]. Available: https://sciencebring.net/index.php/sqrd/article/view/231