“Microbiological and Physicochemical Analysis of Old Sokoto Abattoir Wastewater (Sewage) Contaminated With Blacksmith Activities”. Bioremediation Science and Technology Research (e-ISSN 2289-5892), vol. 6, no. 2, Dec. 2018, pp. 9-13, https://doi.org/10.54987/bstr.v6i2.432.