Oghoje, S. U., J. E. Ukpebor, and P. P. Oviasogie. “Prediction of Manure Maturity Using PH Dynamics”. Journal of Chemical Society of Nigeria 45, no. 1 (February 9, 2020). Accessed October 7, 2025. http://journals.chemsociety.org.ng/index.php/jcsn/article/view/422.