Viljoen, A. “SOUTH AFRICA’S MEDICINAL AND AROMATIC FLORA - A TREASURE CHEST OF OPPORTUNITIES FOR SCIENCE AND INDUSTRY”. African Journal of Traditional, Complementary and Alternative Medicines 6 (April 20, 2009): 305–306. Accessed March 7, 2026. https://athmsi.org/journals/index.php/ajtcam/article/view/611.