Putra, Hendy Gunawan, and Budi Susetyo. “Water Treatment Plant Operational Costs Efficiency Strategy With Green Concept and Value Engineering”. ASTONJADRO 15, no. 3 (September 15, 2026): 972–981. Accessed September 16, 2026. https://ejournal.uika-bogor.ac.id/index.php/ASTONJADRO/article/view/22450.