Asyiah N. Perancangan Sistem Bel Otomatis Dan Informasi Waktu Belajar Di Sekolah Berbasis Internet Of Things: (Studi Kasus: SMK Bina Mandiri). Spectrum [Internet]. 2024 Jul. 5 [cited 2026 Sep. 26];1(3):210-9. Available from: https://journals.sanusantara.com/index.php/spectrum/article/view/95