Datti , Yau, Ibrahim Musa, Salihu Isma’il, Abdulhadi Mustapha, Muhammad Sani Muhammad, Abubakar Sulaiman Ado, and Ummi Umar Ahmad. “Extraction, Production and Characterization of Biodiesel from Shea Butter (Vitellaria Paradoxa C. F. Gaertn) Obtained from Hadejia, Jigawa State, Nigeria”. GSC Biological and Pharmaceutical Sciences 11, no. 3 (June 30, 2020): 208–215. Accessed August 25, 2024. https://gsconlinepress.com/journals/index.php/gscbps/article/view/gscbps-2020-0168.