JUHARIANSYAH, J.; RITZKAL, R.; HENDRI HENDRAWAN, A. Design Of An Automatic Bell Warning System For Prayer Times In A Net Centric Computing Lab. Journal of Robotics and Control (JRC), [S. l.], v. 1, n. 3, p. 92–95, 2020. DOI: 10.18196/jrc.1320. Disponível em: https://journal.umy.ac.id/index.php/jrc/article/view/7931. Acesso em: 28 sep. 2025.