NASUTION, Sasqia Salsa Zahra; IRA SURYANI. THE EFFECTIVENESS OF GROUP COUNSELING WITH SELF-REFLECTION TECHNIQUES TO REDUCE SELFISH ATTITUDES IN STUDENTS AT BOARDING SCHOOL SMP PLUS JABAL RAHMAH MULIA MEDAN. SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, [S. l.], v. 14, n. 4, p. 2637–2644, 2025. DOI: 10.36526/sosioedukasi.v14i4.6493. Disponível em: https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/6493. Acesso em: 25 nov. 2025.