Meesang, W., Baothong, E., ยาบุษดี P., Kitisriworaphan, W., Phukongthong, S., Somnil, P., & intrachain, S. (2023). Monitoring and assessing the amount of particulate matter less than 2.5 microns (PM2.5) in the indoor and outdoor areas: A case study of Udon Thani Rajabhat University (Sam Phrao Education Center). Journal of Advanced Development in Engineering and Science, 12(35), 50–69. Retrieved from https://ph03.tci-thaijo.org/index.php/pitjournal/article/view/982