Prinsloo, G., M. Motsei, J. Viljoen, M. Mofokeng, and L. Phala. “AN INVESTIGATION INTO THE EFFECTS OF ORGANIC FERTILISER APPLICATION ON THE CHEMICAL COMPOSITION AND BIOLOGICAL ACTIVITY OF MEDICINAL PLANTS”. African Journal of Traditional, Complementary and Alternative Medicines 6 (May 2, 2009): 360–361. Accessed December 21, 2024. https://journals.athmsi.org/index.php/ajtcam/article/view/719.