FEBRIANTO, F.; SETIANINGSIH, A.; RIYANI, A. Determination of Free Fatty Acid in Frying Oils of Various Foodstuffs. Indonesian Journal of Chemistry and Environment, [S. l.], v. 2, n. 1, p. 1–6, 2020. DOI: 10.21831/ijce.v2i1.30288. Disponível em: https://journal.uny.ac.id/index.php/ijoce/article/view/30288. Acesso em: 11 may. 2025.