Bulla Pereira EA, Sierra FE, Guerrero CA. Biodiesel Production Using Waste Cooking Oil and Ethanol for Alkaline Catalysis. ing. Solidar [Internet]. 2014 Dec. 1 [cited 2024 May 5];10(17):61-9. Available from: https://revistas.ucc.edu.co/index.php/in/article/view/806