MACHINE LEARNING FOR WATER QUALITY INDEX PREDICTION: A REVIEW ON TECHNIQUES, CHALLENGES AND APPLICATIONS. International Journal of Information and Electronics Engineering, [S. l.], v. 16, n. 2, p. 640–649, 2026. DOI: 10.48047/rn2ft090. Disponível em: https://ijiee.org/index.php/ijiee/article/view/1199. Acesso em: 4 aug. 2026.