“Influence of Inorganic Fertilizers and Cattle Manure on Copper Solubility and Uptake by Phaseolus Vulgaris”. The Journal of Building and Land Development 19, no. 1 & 2 (February 23, 2025): 53–66. Accessed June 8, 2025. http://journals.aru.ac.tz/index.php/JBLD/article/view/217.