Nasution, Sasqia Salsa Zahra, and 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 14, no. 4 (November 18, 2025): 2637–2644. Accessed November 25, 2025. https://ejournal.unibabwi.ac.id/index.php/sosioedukasi/article/view/6493.