Manokhun, Pitiporn, and Phattharamat Thiamngoen. 2020. “Management of Chemicals and Hazardous Waste in Environmental Engineering Laboratory Rajamangala University of Technology Suvarnabhumi”. Journal of Applied Research on Science and Technology (JARST) 19 (2):95-104. https://doi.org/10.14456/rj-rmutt.2020.21.