Wijayanto, Wahyu and NEVITA, ARY PERMATADENY and Munawi, Hisbulloh Ahlis (2021) Perancangan Sistem Otomatisasi Hand Sanitizer Berbasis Sensor Infrared Barrier Module. Nusantara of Engineering, 4 (1). pp. 72-80. ISSN P- ISSN: 2355-6684