UTAMI, M.; WIJAYA, K.; SYOUFIAN, A.; WICAKSONO, S. H. Catalytic Synthesis of Diethanolamide Surfactant from Used Cooking Oil. EKSAKTA: Journal of Sciences and Data Analysis, [S. l.], v. 20, n. 2, p. 133–138, 2020. DOI: 10.20885/EKSAKTA.vol1.iss2.art7. Disponível em: https://jurnal.uii.ac.id/Eksakta/article/view/15930. Acesso em: 8 may. 2024.