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Research 
Contact Address: 3rd Floor , Acadmic Building, Khon Kaen University, 40002 ,Thailand. Tel: (+66)-043-202420 Fax: (+66)-043-202421
Graduate School | Khon Kaen University Contact Webmaster: e-mail: graduate@kku.ac.th
Graduate School | Khon Kaen University Contact Webmaster: e-mail: graduate@kku.ac.th