Adebayo, W. A. “Chemical Constituents of Solvent Extracted Bitter Kola Nut Oil and Its Benefcial Health Properties”. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, Vol. 19, no. 2, June 2023, pp. 355-66, https://azojete.com.ng/index.php/azojete/article/view/754.