The Effectiveness of Group Counseling with Self-Control Techniques to Improve Student Learning Discipline on Grade X MM3 Students of SMK Muhammadiyah Salaman. Zona Education Indonesia, [S. l.], v. 1, n. 3, p. 157–162, 2023. Disponível em: https://zona-education.org/index.php/zei/article/view/26. Acesso em: 10 sep. 2026.