1.
K. Arap Tonui M, W. Mwangi I, Wanjau R. Recovery of Zn2+, Fe2+ and Mn2+ from Some Selected Edible Vegetables and Pumpkin using Modified Maize Cobs. ASRJETS-Journal. 2019;51(1):86-102. Accessed September 20, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/4602