Mamman, I. and Isa, M. 2013. Phytochemical And Antibacterial Activityof Leave Extracts Of Guiera Senegalensis Lam On Selected Species Of Gram Positive And Gram Negative Bacteria. International Journal of Environment. 2, 1 (Dec. 2013), 262–268. DOI:https://doi.org/10.3126/ije.v2i1.9226.