Galadima A, Abubakar M, Lawal AM, Muhammad R. Exploring the Prospects of Different Activated Charcoal Systems as Low-Cost Materials for Upgrading Groundnut Oil into Biodiesel. IJSGS [Internet]. 2024 Mar. 31 [cited 2026 Apr. 21];10(1):1-6. Available from: http://www.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/584