Wijaya BA, Manalu AJ, Tarigan BA, Silitonga LS. Steganography Text Message Using LSB and DCT Methods. Mantik [Internet]. 2021Nov.5 [cited 2026Oct.3];5(3):1825-32. Available from: https://www.ejournal.iocscience.org/index.php/mantik/article/view/1767