Abdel-Rahman, Zaid Adnan, Ahmed Daham Wiheeb, and Marwa Majeed Jumaa. “Commercial CaO Catalyzed Biodiesel Production Process”. Al-Nahrain Journal for Engineering Sciences 20, no. 4 (August 1, 2017): 846–852. Accessed September 26, 2024. https://nahje.com/index.php/main/article/view/308.