Solak, Serdar, and Umut Altinişik. “The Least Significant Two-Bit Substitution Algorithm for Image Steganography”. International Journal of Computer (IJC) 31, no. 1 (January 3, 2018): 150–156. Accessed April 19, 2024. https://ijcjournal.org/index.php/InternationalJournalOfComputer/article/view/1335.