amphoe mueang surat thani is a city that is the sanctuary of the import-export to reflect, however, many of the physical condition of foreign languages of the people who work in the microprocessor, the import and export goods.Sampling) to determine the company as a representative of the population, and it is a representative, covering a wide range of appropriate population, so Cha-am here also, Surat Thani, a sample group was selected by a specific distribution in accordance with the following:
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)