Wanpen Songkham และผู้แต่งคนอื่นๆ. (2011) Effects of a Healthy Unit Guidance (HUG) program on work environments and health outcomes among nursing personnel. Chulalongkorn University:ม.ป.ท.Wanpen Songkham และผู้แต่งคนอื่นๆ. 2011. Effects of a Healthy Unit Guidance (HUG) program on work environments and health outcomes among nursing personnel. ม.ป.ท.:Chulalongkorn University;Wanpen Songkham และผู้แต่งคนอื่นๆ. Effects of a Healthy Unit Guidance (HUG) program on work environments and health outcomes among nursing personnel. ม.ป.ท.:Chulalongkorn University, 2011. Print.