Prototype of Integrated Pier Entrance Gate Access With QR-Code as An Iot-Based Manifest Recording System. Nusantara Science and Technology Proceedings, Malang, Indonesia, p. 269–278, 2021. DOI: 10.11594/nstp.2021.0942. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/364. Acesso em: 24 apr. 2025.