PUERTPAU, R.; AMORNRAKSA, T. Efficiency Improvement in Watermark Retrieval Process. Engineering and Applied Science Research, [S. l.], v. 28, n. 4, p. 145–158, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/6733. Acesso em: 31 aug. 2026.