VALIDASI MODUL �BERBAGI UNTUK SAHABAT� BAGI PEER FACILITATOR DALAM PENCEGAHAN BULLYING
Bullying at school has become a important social issue, because it has a negative impact on psychological and social adjustment of student, (Ttofi & Farrington, 2008). The result of initial survey by researchers on July-August 2013 to 739 student of senior highschool in Yogyakarta, explained tha...
| Những tác giả chính: | , |
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| Định dạng: | Luận văn |
| Được phát hành: |
[Yogyakarta] : Universitas Gadjah Mada
2014
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