1. because this research is a study using basic statistical data analysis. Therefore, researchers believe that the study should be the same issues, but other statistics should be applied in the analysis of the research results, such as looking up a relationship.2. this research is a study about the exercises, but the research has studied exercise of people in the province, SI, the company only. Therefore, researchers believe that in the next research should study the exercise of everyone in the country more Thai.
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