PANGGABEAN, I.; WAHYUDI, A. Implementasi Program Roots Anti Perundungan di SMK Negeri 3 Pematangsiantar. SENTRI: Jurnal Riset Ilmiah, [S. l.], v. 4, n. 7, p. 676–687, 2025. DOI: 10.55681/sentri.v4i7.4275. Disponível em: https://ejournal.nusantaraglobal.ac.id/index.php/sentri/article/view/4275. Acesso em: 9 feb. 2026.