Fuada S, Alfaruq A, Adiono T. Design and Implementation of Database Prototype for A Portable Electronic Transaction Device. Int. J. Onl. Eng. [Internet]. 2022 Jul. 11 [cited 2024 Apr. 26];18(09):pp. 41-55. Available from: https://online-journals.org/index.php/i-joe/article/view/29691