Wagimin, W., and A. Fattah. “Analysis of Improving the Efficiency and Effectiveness of Company Resource Utilization Using CPM and PERT Approaches: A Case Study”. Journal La Multiapp, Vol. 7, no. 3, July 2026, pp. 688-01, https://newinera.com/index.php/JournalLaMultiapp/article/view/5321.