“CHEM ICAL COMPOSITIONS AND PHYTOCHEM ICAL SCREENING OF THE SEEDS OF GARC NIA KOLA (BITTER KOLA)”. Biological Sciences - PJSIR 46, no. 3 (January 27, 2003): 145–147. Accessed March 10, 2026. https://www.v2.pjsir.org/index.php/biological-sciences/article/view/1613.