Spectrometric Determination of Content of Methyl Palmitate in Methyl Esters of Waste Cooking Oils. Agricultural Engineering , [S. l.], v. 23, n. 1, p. 59–68, 2019. DOI: 10.1515/agriceng-2019-0006. Disponível em: https://ojs.agriceng.org/index.php/AgricEng/article/view/96.. Acesso em: 8 jan. 2025.