Sonibare, Mubo Adeola, Micheal O Soladoye, Oyedokun O Esan, and Oluwadayo O Sonibare. 2009. “PHYTOCHEMICAL AND ANTIMICROBIAL STUDIES OF FOUR SPECIES OF COLA SCHOTT & ENDL. (STERCULIACEAE)”. African Journal of Traditional, Complementary and Alternative Medicines 6 (4):518-25. https://athmsi.org/journals/index.php/ajtcam/article/view/460.