GUNAWAN PUTRA, H.; SUSETYO, B. Strategy to Increase the Operational Cost Efficiency of Water Treatment Plants by Integrating Green Concept and Value Engineering. Eduvest - Journal of Universal Studies, [S. l.], v. 6, n. 2, p. 1944–1957, 2026. DOI: 10.59188/eduvest.v6i2.52786. Disponível em: https://eduvest.greenvest.co.id/index.php/edv/article/view/52786. Acesso em: 29 mar. 2026.