Kulitsara Kralam และ Nutta Taneepanichskul. (2016) Knowledge, Attitude and Practice towards Personal Protective Equipment Use among Steel Industry Workers in Thailand. <i>Journal of Health Research</i>, <i>30</i>(Suppl.2), 161.Kulitsara Kralam และ Nutta Taneepanichskul. "Knowledge, Attitude and Practice towards Personal Protective Equipment Use among Steel Industry Workers in Thailand". Journal of Health Research 30 (2016):161.Kulitsara Kralam และ Nutta Taneepanichskul. Knowledge, Attitude and Practice towards Personal Protective Equipment Use among Steel Industry Workers in Thailand. Chulalongkorn University Press:ม.ป.ท. 2016.