CHU, Thi Hai Nam; HOANG, Huu Hiep; NGUYEN, Thi Thu Huyen. Factors affecting the flocculation process waste emulsion cutting oil reduce COD content. JST: Engineering And Technology For Sustainable Development, [S. l.], v. 31, n. 1, p. 78–82, 2021. DOI: 10.51316/jst.148.etsd.2021.31.1.16. Disponível em: https://jst.vn/index.php/etsd/article/view/197. Acesso em: 21 aug. 2025.