KAHAR, Nani izzati; LIAS, Jais. IoT-Based Coin Slot of The Vending Machine. Evolution in Electrical and Electronic Engineering, [S. l.], v. 5, n. 2, p. 156–163, 2024. Disponível em: https://penerbit.uthm.edu.my/periodicals/index.php/eeee/article/view/17641. Acesso em: 8 apr. 2026.