I wish to thank all of people who had a part in my co-operative education program. I appreciated all of the advisors in the School of Liberal Arts at Sripatum University, and especially Khun Nonsiwakarn Paiboon for giving me the opportunity and suggestions.
I would especially like to thank Khun Duangkamol Sriwalai, Khun Nuttharom Sriwalai and all of AYC staff who has given me a lot of useful information when I was trained during the co-operative education program. They are very kind to me. I would like to thank for their friendship enabling me to complete my assignment successfully.
I would also like to thank Asst.Prof.Boonlert Wongprom, my advisor at Sripatum University for the co-operative education program of the Faculty of Liberal Arts for her valuable suggestions concerning the co-operative education program.