MAINIER, F. B.; ROCHA, A. C. M.; ALVES, C. H. F.; MAINIER, R. J. Critical View of Ultrasonic Removal Applied to Industrial Effluents. Asian Journal of Engineering and Technology, [S. l.], v. 1, n. 4, 2013. Disponível em: https://ajouronline.com/index.php/AJET/article/view/496. Acesso em: 19 oct. 2021.