Pengaruh Bullying terhadap Kepercayaan Diri Korban Bullying Kelas XI di SMA Lab School Universitas PGRI Semarang. dw [Internet]. 2024 Aug. 12 [cited 2025 Sep. 21];4(1). Available from: https://ejournal.iaimu.org/index.php/dawa/article/view/23