Wunna Chongchitpaisan และผู้แต่งคนอื่นๆ. (2006) Occupational health practice for healthcare workers compared to hospital accreditation criteria in Thai governmental hospital, 2004. <i>Journal of Medicine and Health Sciences</i>, <i>13</i>(3), 234-247.Wunna Chongchitpaisan และผู้แต่งคนอื่นๆ. "Occupational health practice for healthcare workers compared to hospital accreditation criteria in Thai governmental hospital, 2004". Journal of Medicine and Health Sciences 13 (2006):234-247.Wunna Chongchitpaisan และผู้แต่งคนอื่นๆ. Occupational health practice for healthcare workers compared to hospital accreditation criteria in Thai governmental hospital, 2004. Faculty of Medicine,Srinakharinwirot University:ม.ป.ท. 2006.