The selected source, because there have reason that could explain why
Tutoring has caused a great lack of interest in mainstream classes, the
source explained that because of school have regulation and in turn, Tutoring was able to pass their examinations same in mainstream classes. This source can be described as a comprehensive .
This source can to support the example of the impact on social relationships caused by tutoring. Example, children are away from home most of the time because live in tutoring most of time. The relationship between the family are inevitably weakened
In addition ,This source easy to understand
the source of this selection, because the survey support. This is a number of percent that can explain it clearer. Thus increasing reliability.