LISKEDAME YANTI SIPAYUNG; RASMI SITOHANG. WATERMARKING PADA CITRA DIGITAL DENGAN MENGGUNAKAN METODE SPREAD SPECTRUM. Jurnal Sains dan Teknologi ISTP, [S. l.], v. 16, n. 2, p. 136–143, 2022. DOI: 10.59637/jsti.v16i2.118. Disponível em: https://istp.ac.id.202-10-43-25.cpanel.site/index.php/jsti/article/view/118. Acesso em: 7 feb. 2026.