NWOGU, Chijioke; EZE, Monday; OKUNBOR, Charles. Design and Implementation of Access Door Control with Mo-bile Alert. International Journal of Engineering and Technology, [S. l.], v. 9, n. 2, p. 480–486, 2020. DOI: 10.14419/ijet.v9i2.30382. Disponível em: https://sciencepubco.com/index.php/IJET/article/view/30382.. Acesso em: 18 apr. 2025.