?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Muhammad+Afnan+Fatahudin%2C+NIM.%3A+15220083&rft.aulast=Muhammad+Afnan+Fatahudin&rft.aufirst=NIM.%3A+15220083&rft.degree=Skripsi&rft.date=15+December+2021&rft.title=BIMBINGAN+KELOMPOK+UNTUK+MENCEGAH+PERILAKU+BULLYING+DI+SMP+NEGERI+1+PLERET+BANTUL&rft.inst=UIN+SUNAN+KALIJAGA+YOGYAKARTA&rft.tpages=116