Fadlil, Fadlil, Tri Wahono, Edi Ismanto, and Azaki Khoirudin. 2024. “Design of an Arduino-Based Automatic Sound Timer System for Mosques and Prayer Rooms”. Journal of Natural Sciences and Mathematics Research 10 (2):158-66. https://doi.org/10.21580/jnsmr.v10i2.22293.