NAIBORHU, Murni; 						MANULLANG, Manahan.
 UPAYA GURU PKN DALAM MENCEGAH PERILAKU BULLYING DI SMA SWASTA IMMANUEL  KELURAHAN MADRAS HULU KECAMATAN MEDAN POLONIA KOTA MEDAN.
<strong>Jurnal UDA</strong>, [S.l.], v. 30, n. 1, p. 384-414, apr. 2022.
ISSN 2654-3915.
Available at: &lt;<a href="https://www.jurnal.universitasdarmaagung.ac.id/jurnaluda/article/view/1735" target="_new">https://www.jurnal.universitasdarmaagung.ac.id/jurnaluda/article/view/1735</a>&gt;. Date accessed: 03 nov. 2026.
doi: <a href="http://dx.doi.org/10.46930/ojsuda.v30i1.1735">http://dx.doi.org/10.46930/ojsuda.v30i1.1735</a>.