LAKSHMAN JI, DR. M.SIVAK KUMAR. Robust Digital Watermarking Techniques for protecting copyright Applied to Digital Data: A Survey . Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 3, p. 3819–3825, 2021. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/1669. Acesso em: 5 may. 2024.