Okolieuwa, Christopher C., et al. “PHYTOCHEMICAL, PROXIMATE, AND ANTIOXIDANT PROPERTIES OF UGIRI FRUIT (Irvingia Gabonensis)”. Open Access Journal of Science Research , vol. 1, no. 1, Aug. 2023, pp. 21-28, https://www.openjournals.ijaar.org/index.php/oajsr/article/view/114.