Chinwe U., Asuzu. 2018. “BITTER HERBS OF EASTERN NIGERIA (GONGRONEMA LATIFOLIUM, VERNONIA AMYGDALINA AND VITEX DONIANA): A REVIEW”. African Journal of Traditional, Complementary and Alternative Medicines 15 (3):47-56. https://doi.org/10.21010/ajtcamv15i3.6.