Olajide Oloyede. “ 6 - An Exploration of the Philosophy and Environment of a South African Randomized, Double-Blind, Placebo-Controlled Trial of Lessertia Frutescens”. African Sociological Review 15, no. 1 (October 9, 2011): 109–123. Accessed May 15, 2024. https://journals.codesria.org/index.php/asr/article/view/3874.