Setiawan, D., Haswan, F. and Jasri, J. 2024. Design of School Bell Scheduling Application Based on Arduino Uno on MTs Babussalam Simandolak. JURNAL TEKNOLOGI DAN OPEN SOURCE. 7, 1 (Jul. 2024), 22 - 30. DOI:https://doi.org/10.36378/jtos.v7i1.3867.