Paweena Kumpang และ Usaneya Perngparn. (2015) Perception about Health Risk and Health Protection from Crops and Forest Fire Smoke among High School Students in Nan Province, Thailand. <i>Journal of Health Research</i>, <i>29</i>(Suppl.2), S125.Paweena Kumpang และ Usaneya Perngparn. "Perception about Health Risk and Health Protection from Crops and Forest Fire Smoke among High School Students in Nan Province, Thailand". Journal of Health Research 29 (2015):S125.Paweena Kumpang และ Usaneya Perngparn. Perception about Health Risk and Health Protection from Crops and Forest Fire Smoke among High School Students in Nan Province, Thailand. Chulalongkorn University Press:ม.ป.ท. 2015.