Karaye, I. U., Ladan, M. U., Shehu, Z. H., Adili, I.S., Lawal, H.M., and Shehu A. “Biochemical Characterization of Seed Oil in Sesame and Watermelon for Production of Biodiesel”. International Journal of Science for Global Sustainability, vol. 6, no. 2, July 2020, p. 7, https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/105.