Mabruri, Ali, Ahmad Rufa’I, and Memed Saputra. 2024. “DESIGN AN AUTOMATIC BELL BASED ON ARDUINO UNO AT STATE VOCATIONAL SCHOOL 5 SERANG CITY”. Scientica: Jurnal Ilmiah Sains Dan Teknologi 3 (1):846-63. https://jurnal.kolibi.org/index.php/scientica/article/view/4013.