Sya’adah, N. L., R. D. Dwiyanti, and N. Nurlailah. “Effectiveness of HEPA Filters in Reducing Airborne Bacteria in Public Health Laboratory Rooms in Bontang City, Indonesia”. Tropical Health and Medical Research, vol. 7, no. 2, Aug. 2025, pp. 77-86, doi:10.35916/thmr.v7i2.136.