Synthesis of Biodiesel from Ricinus communis Oil Using Acid and Base Catalysts: Experimental Insights. International Journal of Environmental Sciences, [S. l.], p. 5170–5176, 2025. DOI: 10.64252/ygdey491. Disponível em: https://theaspd.com/index.php/ijes/article/view/9368.. Acesso em: 5 apr. 2026.