The study found that A sample of 250 people, mostly female, aged 30 years, 93.60 percent up to 32.40 percent, education 35 years. BA 80.40 percent average earnings from 20,001 to 30,000 baht per month and 65.60 per cent for a period of more than seven years of operation, but not more than 12 years 34.40 per cent.
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