Gberikon, G.M., Iyoula, F.I. and Ichor, S.T. 2019. Effect of Bitter Leaves Extract on Bacteria Isolated from Soils of Some Mechanic and non-Mechanic Sites in Makurdi Metropolis. International Journal of Applied Sciences and Biotechnology. 7, 1 (Mar. 2019), 81–87. DOI:https://doi.org/10.3126/ijasbt.v7i1.23302.