A RATIONAL APPROACH TO SEPTIC TANK DESIGN. Nigerian Journal of Technology, [S. l.], v. 31, n. 1, p. 68–78, 2012. DOI: 10.4314/njt.311.107. Disponível em: https://nijotech.com/index.php/nijotech/article/view/107. Acesso em: 19 apr. 2026.