da Silva M. RECYCLING OF OIL USED FOR THE PRODUCTION OF HANDMADE LIQUID SOAP AS AN EXPERIMENTAL ACTIVITY IN CHEMISTRY. GEI [Internet]. 2023 Sep. 16 [cited 2024 Dec. 4];4(05):125-41. Available from: https://periodicojs.editoraperiodicojs.com.br/index.php/gei/article/view/1569