Narutawun Chatcharaporn และ Siriluck Suppapitiporn. (2019) Work stress among employees of steel import companies in Bangkok. <i>Chulalongkorn Medical Bulletin</i>, <i>1</i>(1), 037-048.Narutawun Chatcharaporn และ Siriluck Suppapitiporn. "Work stress among employees of steel import companies in Bangkok". Chulalongkorn Medical Bulletin 1 (2019):037-048.Narutawun Chatcharaporn และ Siriluck Suppapitiporn. Work stress among employees of steel import companies in Bangkok. Faculty of Medicine Chulalongkorn University:ม.ป.ท. 2019.