Yuliza E, Ekawita R, Vionita V, Fauzi MK, Sari VF, Rahmayanti HD. PHYSICAL DISTANCING ALARM SYSTEM BASED ON PROXIMITY SENSOR AND MICROCONTROLLER. IPR [Internet]. 2021May28 [cited 2024Dec.22];4(2):79-85. Available from: https://ipr.unram.ac.id/index.php/ipr/article/view/85