Yunus, M.M. “Transesterified Citrullus Lanatus (watermelon) Seeds Oil As Biodiesel: Preparation and Characterization”. International Journal of Science for Global Sustainability, vol. 2, no. 3, Sept. 2016, p. 7, https://www.fugus-ijsgs.com.ng/index.php/ijsgs/article/view/240.