Dampak Perundungan Verbal Terhadap Kepercayaan Diri Peserta Didik di SDN 1 Sumber. JKIP [Internet]. 30 august 2025 [citat 30 iulie 2026];6(3):1127-43. Disponibil la: https://journal.al-matani.com/index.php/jkip/article/view/1551