GUSRIL, Henny. STUDI KUALITAS AIR MINUM PDAM DI KOTA DURI RIAU. JURNAL GEOGRAFI, [S. l.], v. 8, n. 2, p. 190–196, 2016. DOI: 10.24114/jg.v8i2.5783. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/geo/article/view/5783. Acesso em: 20 may. 2025.