?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=Lorensius+Gego&rft.au=Wawin%2C+Lorensius+Gego&rft.aulast=Wawin&rft.degree=Diploma&rft.title=PERAN+GURU+WALI+KELAS+DALAM+MENGATASI+PERILAKU+BULLYING+PADA+PESERTA+DIDIK+(STUDI+KASUS+SDK+SANTO+YUSUF+MADIUN)&rft.date=13+August+2025&rft.inst=STKIP+Widya+Yuwana&rft.tpages=199