Rizqika, Salsabilla, and Leni Sagita Riantini. “Identification of Activities in the Planning, Conduct, and Control Stages of The Procurement Process Based on PMBOK 6th Edition (Case Study: PT X)”. Journal of Project Management Research 1, no. 2 (October 6, 2025): 18–29. Accessed August 12, 2026. https://www.journalpmresearch.com/jpmr/article/view/40.