Mr. Sudhanshu Jain , trans. “Iris Scan With 3 Blinks Plus Emotion Recognition for Secure Payment Method for POS Using Cloud Computing”. International Journal of Innovative Technology and Exploring Engineering (IJITEE) 12, no. 11 (November 1, 2023): 1–4. Accessed October 5, 2024. https://journals.blueeyesintelligence.org/index.php/ijitee/article/view/159.