Awang Iskandar, D.N.F, Abdulmalik Bacheer Rahhal, and Wadood Abdul. “Block Based Image Steganography in Spatial and Frequency Domain”. Journal of Telecommunication, Electronic and Computer Engineering (JTEC) 9, no. 2-10 (September 15, 2017): 191–198. Accessed November 27, 2024. https://jtec.utem.edu.my/jtec/article/view/2725.