KHUNTEEGUL, O.; PETIRAKSAKUL, A. Optimization of Ink Wastewater Treatment by Ozonation. Engineering and Applied Science Research, [S. l.], v. 34, n. 2, p. 177–188, 2012. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/1813. Acesso em: 16 dec. 2025.