Production of Clay-Based Water Filter Using Biomass of Bacillus Subtillis, Sawdust, Activated Charcoal, Periwinkle and Snail Shell as Additives. African Scientific Reports, [S. l.], v. 2, n. 2, p. 93, 2023. DOI: 10.46481/asr.2023.2.2.93. Disponível em: https://asr.nsps.org.ng/index.php/asr/article/view/93.. Acesso em: 2 dec. 2024.