Du Preez, I. C. and Mumbengegwi, D. R. (2014) “Phytochemical investigation on Namibian plants for anti-malaria compounds”, Journal for Studies in Humanities and Social Sciences, pp. 147 - 158. Available at: http://journals.unam.edu.na/index.php/JSHSS/article/view/858 (Accessed: 20October2020).