Habibi, M., Henny, H. and Sukma, I. (2026) “INTERNET OF THINGS-BASED AIR QUALITY MONITORING SYSTEM USING ESP32 AND PPD42 SENSOR TO SUPPORT OCCUPATIONAL SAFETY IN THE CRUSHER ROOM AREA”, Simtek : jurnal sistem informasi dan teknik komputer, 11(2), pp. 554–559. doi: 10.51876/simtek.v11i2.1890.