Adeyemi, Modupe M., Khalifa M. Muhammad, and Patricia E. Umoru. 2023. “Optimization of Biodiesel Production from Seeds of Cotton and Calabash Via In Situ Transesterification Using CaO As Catalyst: Http: .www.doi.org 10.26538 Tjnpr V7i2.21”. Tropical Journal of Natural Product Research (TJNPR) 7 (2): 2432-36. https://tjnpr.org/index.php/home/article/view/1675.