Suthon Vongsheree และผู้แต่งคนอื่นๆ. (2018) Lower frequency of certain nonconformities against ISO/IEC 17025 after many year accreditation. <i>Journal of Associated Medical Sciences</i>, <i>51</i>(1), 19-25.Suthon Vongsheree และผู้แต่งคนอื่นๆ. "Lower frequency of certain nonconformities against ISO/IEC 17025 after many year accreditation". Journal of Associated Medical Sciences 51 (2018):19-25.Suthon Vongsheree และผู้แต่งคนอื่นๆ. Lower frequency of certain nonconformities against ISO/IEC 17025 after many year accreditation. Faculty of Associated Medical Sciences, Chiang Mai University:ม.ป.ท. 2018.