2.3 samples used in this research Determining sample size by using table status C and Morgan (Krejcie & Morgan) referred to in Supa pen. จริยะ economics, make different 2542Page 84 sample of Teachers Students grade students of the school 6 temple, Kasi T. tha jackfruit, teacher of PHA phum District, Kanchanaburi, the 61 people
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