Eloff, J N, D T Ntloedibe, and R van Brummelen. 2011. “A SIMPLIFIED BUT EFFECTIVE METHOD FOR THE QUALITY CONTROL OF MEDICINAL PLANTS BY PLANAR CHROMATOGRAPHY”. African Journal of Traditional, Complementary and Alternative Medicines 8 (5S):1-12. https://athmsi.org/journals/index.php/ajtcam/article/view/1304.