Sekhoacha, M., W. Campbell, and P. Smith. “IN VITRO AND IN VIVO ANTIMALARIAL ACTIVITY OF DCM EXTRACT OF AGATHOSMA BETULINA”. African Journal of Traditional, Complementary and Alternative Medicines, vol. 6, Apr. 2009, pp. 323-4, https://journals.athmsi.org/index.php/ajtcam/article/view/650.