RENGGANIS, Sekar Inggar; NOTODARMOJO, Suprihanto. Reducing Water Loss Based On Water Balance Method (By Using Step Test - Sounding Technique) And Financial Analysis (Case Study: Graha Indah Residence, Pdam Tirta Manggar In Balikpapan City). Jurnal Teknik Lingkungan, [S. l.], v. 28, n. 1, 2025. DOI: 10.5614/j.tl.2021.28.1.2. Disponível em: https://www.envengjournal.com/index.php/jtl/article/view/149. Acesso em: 8 dec. 2025.