GUNAWAN PUTRA, H.; SUSETYO, B. . Strategies for Enhancing Operational Cost Efficiency in Water Treatment Plants through the Integration of Green Concepts and Value Engineering. Eduvest - Journal of Universal Studies, [S. l.], v. 6, n. 4, p. 5147–5160, 2026. DOI: 10.59188/eduvest.v6i4.53045. Disponível em: https://eduvest.greenvest.co.id/index.php/edv/article/view/53045. Acesso em: 4 may. 2026.