The samples used in this research are: student grade 6 semester 2 academic year 5 people choose 2557, for example a specific selection by a group of English School GPA is very good. The study group, the expert group that studied the light, medium, and selected by a group of students, for example, a group of students grade 6 semester 2 because these students have the experience of learning English for many years. Therefore, store the data from a sample, this is probably the most obvious information.
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