Camposano Jr, Misael L, Arvin R De La Cruz, and Joseph Raniel A Bianes. “Policy Guidelines for Managing Variation Orders in Philippine Water and Wastewater Projects Using Analytical Hierarchy Process”. Logistic and Operation Management Research (LOMR) 4, no. 2 (November 29, 2025): 82–101. Accessed December 11, 2025. https://journals.researchsynergypress.com/index.php/lomr/article/view/3654.