KUSUMAWATI, Eny; WAHYUNIGSIH, Diana Dewi; SETYONUGROHO, Imam. Effectiveness of Group Guidance Services With Role-Playing Techniques to Reduce Student Aggressive Behavior. Nusantara of Research : Jurnal Hasil-hasil Penelitian Universitas Nusantara PGRI Kediri, Indonesia, INA, v. 8, n. 1, p. 44–51, 2021. DOI: 10.29407/nor.v8i1.15693. Disponível em: https://ojs.unpkediri.ac.id/index.php/efektor/article/view/15693. Acesso em: 4 apr. 2025.