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Mangkang, P., 2006. The development of training syllabus on strategy for establishing an involvement with communities for school administrators under the projects ofher royal highness princess Maha Chakri Sirindhorn. Ph.D. Thesis, Srinakharinwirot University, Bangkok.

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YIPAC, 2010. 4 Year provincial development plan (2010-2013). Yasothon Provincial Office, Yasothon Integrated Provincial Administration Committee, Yasothon.