ANALISA KEBUTUHAN AIR BERSIH DI KOTA MEDAN SUMATERA UTARA. Jurnal Visi Eksakta, [S. l.], v. 2, n. 2, p. 186–204, 2021. DOI: 10.51622/eksakta.v2i2.389. Disponível em: https://ejournal.uhn.ac.id/index.php/eksakta/article/view/389. Acesso em: 24 oct. 2026.