Analysis of Rainwater Harvesting as An Alternative to Non-Domestic Water Supply at PLN Institute of Technology at PLN Institute of Technology. Journal of Sustainable Innovation Engineering, [S. l.], v. 1, n. 1, p. 18–26, 2025. DOI: 10.69693/sustainable.v1i1.4. Disponível em: https://sustainable.aks.or.id/index.php/sustainable/article/view/4. Acesso em: 18 oct. 2026.