A sample of 220 personnel, teachers, people from the number is zero, the study outside the formal education system and the County. In Bangkok, the number 50 by the size and status of personnel, teachers, kason. Tools used in research as a standard instrument estimates the query. With precision equal to the value that is used to analyze data, including the frequency per cent average, standard deviation, and variance analysis. Assign a significance level of .05 level hypothesis testing.
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