“Monitoring Kualitas Udara dan Kontrol Air Purifier Honeywell HHT-080”. Jurnal ELEMENTER (Elektro dan Mesin Terapan) 8, no. 1 (Mei 31, 2022): 1–11. Diakses Juli 11, 2026. https://jurnal.pcr.ac.id/index.php/elementer/article/view/3445.