KURNIA, H.; FARELL, G.; KURNIADI, D.; MARTA, R. A Dual-Validation Mobile Attendance Application for Discipline-Oriented Vocational Schools: Development and Evaluation Using the Waterfall . Journal of Hypermedia & Technology-Enhanced Learning, [S. l.], v. 3, n. 3, p. 283–295, 2025. DOI: 10.58536/j-hytel.200. Disponível em: https://edutech-journals.org/index.php/j-hytel/article/view/200. Acesso em: 9 oct. 2025.