Syabila Zabidi, Nur, Noris Mohd Norowi, and Rahmita Wirza O.K. Rahmat. “A Usability Evaluation of Image and Emojis in Graphical Password”. International Journal of Engineering and Technology 7, no. 4.31 (December 9, 2018): 400–407. Accessed May 13, 2025. https://mail.sciencepubco.com/index.php/IJET/article/view/23719.