Wanyonyi, P. N., and P. M. Guto. “Electroanalytical Determination of Cadmium and Lead Using Edge Plane Prolytic Graphite/Polyaniline Electrode”. The International Journal of Science & Technoledge, vol. 6, no. 7, July 2018, http://internationaljournalcorner.com/index.php/theijst/article/view/131392.