Panot Kuakoolwong และ Suchat Leungprasert. (2021) Application of Air Purifier Filter Unit to Remove Particulate Matter in Semi-Outdoor System. <i>Thai Environmental Engineering Journal (TEEJ)</i>, <i>35</i>(3), 51-58.Panot Kuakoolwong และ Suchat Leungprasert. "Application of Air Purifier Filter Unit to Remove Particulate Matter in Semi-Outdoor System". Thai Environmental Engineering Journal (TEEJ) 35 (2021):51-58.Panot Kuakoolwong และ Suchat Leungprasert. Application of Air Purifier Filter Unit to Remove Particulate Matter in Semi-Outdoor System. Environmental Engineering Association of Thailand:ม.ป.ท. 2021.