Details of the questionnaire is presented in Appendix A section.Have all 600 questionnaires are sent directly to the research subjects. During the survey, there are a number of groups have yet to go to work and have a number of questionnaires were vacant lot. All questionnaires were removed before proceed to enter data. Therefore, the number of formal questionnaire data was conducted to analyze the remaining 453 the table, reaching 76% rate compared to the total number of outgoing Board.
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