Amsal Tampubolon, Michael Ginting, & Eunike Charina I. Tarigan. (2026). Implementation of the Discrete Cosine Transform (DCT) Steganography Method for Embedding Secret Messages in Image Media. BIOS: Jurnal Informatika Dan Sains, 4(01), 1–10. Retrieved from https://seaninstitute.or.id/bersinar/index.php/bios/article/view/249