ARNOLDUS, A.; SUPRIHADI, S. Web-based Patient Queuing System and Automatic Notification via WhatsApp Framework Codeigniter. International Journal of Natural Science and Engineering, [S. l.], v. 5, n. 2, p. 68–76, 2021. DOI: 10.23887/ijnse.v5i2.36766. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJNSE/article/view/36766. Acesso em: 28 apr. 2024.