DAMPAK PERILAKU BULLYING VERBAL TERHADAP KEPERCAYAAN DIRI SISWA SMP N 3 BATANG HARI. IPSSJ [Internet]. 2025 Jun. 30 [cited 2026 Oct. 21];2(03 Juni):4349-56. Available from: https://ipssj.com/index.php/ojs/article/view/568