C. N, Egbuchua. “Hydraulic Conductivity Functions in Relation to Some Chemical Properties in a Cultivated Oxisols of a Humid Region, Delta State, Nigeria”. Asian Journal of Agriculture and Rural Development 4, no. 4 (April 10, 2014): 297–303. Accessed May 6, 2025. https://www.archive.aessweb.com/index.php/5005/article/view/1208.