The researcher would like to thank you Lect. Sotarat Thammaboosadee and Asst. Prof. Supaporn Kiattisin for kindly suggesting the ways of research, improving and adjusting all defects, giving consultancy and beneficial opinions, as well as moral supports, therefore, the research has been successful well.
I would like to thank you Mr.Weeraphol San.. and Multimedia Development (นายวีระพล แสงนาค และบุคลากรงานพัฒนาสื่อผสม Asst. Prof. Adisorn Leelasantitham, the President of thesis examination committee and Lect. Kairoek Choeychuen, thesis examination committee who kindly gave suggestions, beneficial opinions to make this research more complete, and thank you all lecturers who gave me for all knowledge.
Moreover, I would like to thank you my brothers and sisters, as well as all colleagues in the Department of Industry Promotion both central and provincial part for the support to respond the questionnaires and give suggestions. The suggestions received by the researcher could help the research achieve the goals in accordance with the set purposes.
Finally, I would like to thank you all my friends who have always given me suggestions and shared their experiences, as well as moral supports to do this research until it is really successful.