KARKI, B. K.; AMATYA, I. M. A Comparative Study of Water Turbidity Removal Efficiency of Anthracite and Gravel in Roughing Filter. Journal of Innovations in Engineering Education, [S. l.], v. 3, n. 1, p. 42–49, 2020. DOI: 10.3126/jiee.v3i1.34323. Disponível em: https://nepjol.info/index.php/jiee/article/view/34323. Acesso em: 17 aug. 2024.