Sofyan. PERANCANGAN PROTOTIPE BELL OTOMATIS PADA SEKOLAH DASAR INPRES 56 BREMI : Design Of An Automatic Bell Prototype At Inpres 56 Bremi Primary School . J-SAKTI [Internet]. 2024May17 [cited 2024Jul.3];6(2):1-7. Available from: https://journal.umpr.ac.id/index.php/jsakti/article/view/6931