JT RADFORD; S SUGDEN. Measurement of faecal sludge in-situ shear strength and density. Water SA, [S. l.], v. 40, n. 1 January, 2025. DOI: 10.4314/wsa.v40i1.22. Disponível em: https://watersa.net/article/view/21808. Acesso em: 21 apr. 2025.