SUPPATOOMSIN, C.; TAKKRATOK, E.; VILAILAK, K.; MEEHOM, S. Automatic Vending Machine Using Microcontroller. Journal of Vongchavalitkul university, [S. l.], v. 35, n. 1, p. 103–117, 2022. Disponível em: https://ph01.tci-thaijo.org/index.php/vujournal/article/view/248232. Acesso em: 20 apr. 2024.