https://dispendik.situbondokab.go.id/berita/ https://vta.kemenhub.go.id/assets/
SUWARI, Suwari et al. MODEL DINAMIK PENGENDALIAN PENCEMARAN AIR KALI SURABAYA. Bumi Lestari, [S.l.], v. 11, n. 2, aug. 2011. ISSN 2527-6158. Available at: <https://ojs.unud.ac.id/index.php/blje/article/view/144>. Date accessed: 30 mar. 2026.