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Li และผู้แต่งคนอื่นๆ. (1997) Relationship between preparative anxiety and social support in surgical patients . Chiang Mai University/Chiang Mai.
Li และผู้แต่งคนอื่นๆ. Relationship between preparative anxiety and social support in surgical patients. . Chiang Mai:Chiang Mai University, 1997.
Li และผู้แต่งคนอื่นๆ. (1997) Relationship between preparative anxiety and social support in surgical patients . Chiang Mai University/Chiang Mai.