WATER QUALITY CLASSIFICATION BASED ON WATER QUALITY INDEX IN SUNGAI LANGAT, SELANGOR, MALAYSIA. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 77, n. 30, 2015. DOI: 10.11113/jt.v77.6881. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6881.. Acesso em: 10 apr. 2025.