Lack of care, including monitoring the quality of the teachers teaching some Thai students to learn content in เรัยน it might be because it has not been tested, the quality of the teachers teaching before joining students and hence feel free to students.Ngakhon need to learn outside school time school because, in special schools is not enough: the entire contents of the University entrance exam, but use all of the content. Some teachers let students go to study the manual, if we do not understand, they cannot ask a teacher.
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