publisher, publisher, Chebor, L. J., Kituyi, L., & Andala , D. (2017). Synthesis, Characterization of ZnO Nanoparticles and their Application in Removal of Heavy Metals from Waste water . African Journal of Education,Science and Technology (AJEST), 3(4), Pg 33–40. Retrieved from http://ajest.org/index.php/ajest/article/view/183