AUNKAEW, S.; MONGPRA, N. Design and Development of a Smart Mailbox System Powered by Alternative Energy Based on the Internet of Things. Journal of Engineering and Industrial Technology, Kalasin University, [S. l.], v. 3, n. 3, p. 69–83, 2025. DOI: 10.14456/jeit.2025.15. Disponível em: https://ph03.tci-thaijo.org/index.php/JEIT/article/view/3848. Acesso em: 6 oct. 2026.