Shaaban, Hind, Ali Alramahi, and Farah Sari. 2016. “H.A.F Technique for Documents and Archaeologist Images Encryption”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 25 (3): 142-53. https://www.gssrr.org/JournalOfBasicAndApplied/article/view/5334.