Mezher Rasheed , Ihsan, and Kawthar Abdulabbas Hassoon. 2025. “A Secure Hybrid Symmetric Cryptosystem Combining Huffman Coding, Affine Transformation, and Cartesian Graphs”. Pure Sciences International Journal of Kerbala 2 (7):58-64. https://doi.org/10.53851/psijk.v2.i7.58-64.