Garba, N.A., Shehu, S., and Mathew, D. C. 2020. “Characterization of Watermelon (Citrullus Vulgaris) and Calabash (Lagenaria Vulgaris) Seeds Oil As Potential Feedstock for Biodiesel Production”. International Journal of Science for Global Sustainability 6 (3):6. https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/94.