FARIDAH BINTI YUNOS; Nur Aqilah Fakhira Binti Ayub; Nurul Fatin Atiqa Binti Mohammad Rasyidi; Muhammad Asyraf Bin Asbullah. Self-Invertible Key on Cipher Polygraphic Polyfunction With Eigen Matrix Based IMIE. AMCI 2024, 13, 13-25.