O.G. ADUKU, S.M. ABDULLAHI, M.I. SULE, I. ATIKU, and J.V. ANYAM. “ISOLATION OF TARAXASTEROL AND STIGMASTEROL FROM THE AERIAL PART OF Centaurea Perrottetii DC. (Asteraceae)”. BIMA JOURNAL OF SCIENCE AND TECHNOLOGY (2536-6041), vol. 4, no. 02, Dec. 2020, pp. 86-93, https://journals.gjbeacademia.com/index.php/bimajst/article/view/210.