Simon, J.E., Juliani, R., Acquaye, D., Jefthas, E., Asante-Dartey, J., Diawuo, B., B. Diouf, M.D., Langenhoven, P., Hitimana, N., Tannous, P., Hughes, K., Govindasamy, R. and Brown, J. 2009. SUSTAINABLE DEVELOPMENT OF AFRICAN NATURAL PLANT PRODUCTS. African Journal of Traditional, Complementary and Alternative Medicines. 6, (May 2009), 385.