Effect Self Help Group On Coping Mechanism Focused Problem Coping In Adolescents SMK Negeri Kediri. Jurnal Penelitian Sekolah Tinggi Ilmu Kesehatan Nahdlatul Ulama Tuban, [S. l.], v. 2, n. 2, 2021. DOI: 10.47710/jp.v2i2.62. Disponível em: https://ejournal.iiknutuban.ac.id/index.php/jp/article/view/62. Acesso em: 20 jul. 2025.