MEGAHAD, O. A.; EL KINAWY, O. S. A bleaching earth from egyptian local deposits. Grasas y Aceites, [S. l.], v. 52, n. 5, p. 323–327, 2001. DOI: 10.3989/gya.2001.v52.i5.375. Disponível em: https://grasasyaceites.revistas.csic.es/index.php/grasasyaceites/article/view/375. Acesso em: 27 apr. 2024.