Dampak Bullying Terhadap Perkembangan Prestasi Belajar Siswa SD Kelas IV SDN Petungroto. SEMDIKJAR [Internet]. 2025 Jul. 19 [cited 2026 Oct. 17];8:1833-40. Available from: https://proceeding.unpkediri.ac.id/index.php/semdikjar/article/view/8762