Afifah Amatullah, Elin Nur, Riska Ekawita, and Elfi Yuliza. “COMPARISON OF INFRARED AND OPTOCOUPLER SENSORS PERFORMANCE FOR LAB-SCALE RPM MEASUREMENT SYSTEM”. Indonesian Physical Review 5, no. 2 (May 20, 2022): 130–136. Accessed December 22, 2024. https://ipr.unram.ac.id/index.php/ipr/article/view/150.