AMSAL TAMPUBOLON; MICHAEL GINTING; EUNIKE CHARINA I. TARIGAN. Implementation of the Discrete Cosine Transform (DCT) Steganography Method for Embedding Secret Messages in Image Media. BIOS: Jurnal Informatika dan Sains , [S. l.], v. 4, n. 01, p. 1–10, 2026. Disponível em: https://seaninstitute.or.id/bersinar/index.php/bios/article/view/249. Acesso em: 6 jul. 2026.