K. Arap Tonui, M., W. Mwangi, I. and Wanjau, R. (2019) “Recovery of Zn2+, Fe2+ and Mn2+ from Some Selected Edible Vegetables and Pumpkin using Modified Maize Cobs”, American Scientific Research Journal for Engineering, Technology, and Sciences, 51(1), pp. 86–102. Available at: https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/4602 (Accessed: 4 May 2024).