The report of the study has been helped by so many people. thank a teacher Benjawan F teachers to educate. Recommendations review And fix various defects with attention to every step. In order to complete the writing of this report. And thank teachers Suankularb Wittayalai Nonthaburi anyone who has trained and advised in the preparation of this report
the final thank you, Dad. And mother of the group members, everyone. Behind the success that has provided support and encouragement throughout.