GROUP INVESTIGATION LEARNING MODEL TO IMPROVE STUDENT ACADEMIC COMPETENCE IN SOCIAL STUDIES SUBJECTS. Blora Educational Journal, [S. l.], v. 1, n. 1, p. 1–7, 2026. Disponível em: https://jurnal.stkipmuhblora.ac.id/index.php/bej/article/view/1. Acesso em: 6 may. 2026.