Muhamad Nur Mahmudi, Anhar, Mukmin Maulana Latin. Prototype Design of a Prepaid KWh Meter Keypad Pusher with the Internet of Things to Refill Tokens. IJEEPSE [Internet]. 2026Jul.1 [cited 2026Oct.7];9(2):108-19. Available from: https://ijeepse.id/journal/index.php/ijeepse/article/view/275