Azhar, Raisul, Heroe Santoso, I Putu Hariyadi, Husain Husain, and Mahsus Afriandi. “Internet Machine Prototype With a Coin Payment Using a Rock Pi Microcontroller”. Jurnal Bumigora Information Technology (BITe) 6, no. 1 (June 30, 2024): 59-72. Accessed July 3, 2024. https://journal.universitasbumigora.ac.id/index.php/bite/article/view/3543.