Fuada, Syifaul, Akhmad Alfaruq, and Trio Adiono. “A Portable Electronic Transaction Device Based on Dual Interface Smart Card”. International Journal of Online and Biomedical Engineering (iJOE) 16, no. 03 (March 19, 2020): pp. 27–45. Accessed April 20, 2024. https://online-journals.org/index.php/i-joe/article/view/11639.