Setiawan, Mohammad Arfi, and Brilian Gema Morentera. “The Carbon Effect in Biodiesel Synthesis”. Al-Kimia 8, no. 1 (June 29, 2020). Accessed June 9, 2025. https://tes-ojs.uin-alauddin.ac.id/index.php/al-kimia/article/view/6368.