The use of mobile phones in the classroom, causing a lot of problems to the user. Firstly, the use of mobile phones in the classroom on a regular basis to make lower grade. From observation, it was found that the students in the classroom, most drug use almost constantly mobile, while the teacher is teaching. Where there is no intention or interest in the subject lecturer. This suggests that students who use mobile phones in the classroom on a regular basis will impact the study.
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