Hidayati, Indri, Mohammad Andri Budiman, and Muhammad Zarlis. “Analysis of Embedding Locations in the Subband Frequency DCT on Scanned Images”. Data Science: Journal of Computing and Applied Informatics 7, no. 1 (January 31, 2023): 1-14. Accessed June 15, 2024. https://talenta.usu.ac.id/JoCAI/article/view/10359.