Abdulrasheed, M., Ibrahim, H. I., Maigari, F. U., Umar, A. F. and Ibrahim, S. (2018) “Effect of Soil pH on Composition and Abundance of Nitrite-oxidising Bacteria”, Journal of Biochemistry, Microbiology and Biotechnology, 6(1), pp. 27–34. doi: 10.54987/jobimb.v6i1.388.