Barbosa SL, Miranda SEO, Barbosa BK, Ottone M, klein SI, Baroni ACM, Hurtado GR. Biodiesel from waste cooking oil: sodium carbonate modified sand as filter, TLC and the unmodified domestic microwave oven approach. Eclet. Quim. [Internet]. 2016 Dec. 26 [cited 2025 Apr. 6];39(1):120-3. Available from: https://revista.iq.unesp.br/ojs/index.php/ecletica/article/view/85