Research on the objective 2: firstly, education. The development and succession of the เอี้ Affairs lenghueng and second ... Study on the characteristics, relationships, and social networking between provider and customer herb wholesaler service affect the existence of the เอี้ ya lenghueng based on qualitative research methodology with analysis, research document, interview and observe the participation guidelines for education. Is the length of time since the July-December, 2556 (2013) 2558 (2015)
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