We appreciate great help from UBU for equipment support, Asst.Prof.Dr.Sanom Ruamsuk and Mr.Suriya Tingthong for help about doing the project, as well as recommendation.
We thank the director of the School Princess Chulabhorn's College Mukdahan Mr. Chatree Pradutchon for financial support, Miss Nuttharin Bumrungta and Miss Duangdao Mongkolsawas for suggestion and take care of us.