E. Mukhtar, Abdurahman, Abdulhakim Abubakar, and Onyemelukwe G. Chukwubuike. 2020. “In-Vitro Antioxidant Activities of Different Stem Bark Extracts of Irvingia Gabonensis (Irvingiaceae): doi.org 10.26538 Tjnpr V4i6.2”. Tropical Journal of Natural Product Research (TJNPR) 4 (6):223-27. https://tjnpr.org/index.php/home/article/view/1106.