HELARD, Denny; INDAH, Shinta; FITRIA, Nurul. ANALISIS VARIASI SPASIAL KONSENTRASI SULFAT DI SUNGAI BATANG ARAU, PADANG, SUMATERA BARAT. Dampak, [S. l.], v. 13, n. 2, p. 68–75, 2016. DOI: 10.25077/dampak.13.2.68-75.2016. Disponível em: https://jurnaldampak.ft.unand.ac.id/index.php/Dampak/article/view/91. Acesso em: 24 oct. 2026.