Faecal Coliforms (FC) and Faecal Streptococci (FS) Ratio as Tool for Assessment of Water Contamination: A Case Study of River Sokoto, Northwestern Nigeria. The Asia Journal of Applied Microbiology, [S. l.], v. 2, n. 3, p. 27–34, 2015. DOI: 10.18488/journal.33/2015.2.3/33.3.27.34. Disponível em: https://archive.conscientiabeam.com/index.php/33/article/view/2720. Acesso em: 26 sep. 2026.