BADRIYAH, Nurlailatul; TETEP; LILI DIANAH. The Effectiveness of the Teams Games Tournament (TGT) Cooperative Learning Model in Improving Students’ Understanding of Social Studies Concepts. SOCIA: Jurnal Ilmu-Ilmu Sosial, [S. l.], v. 23, n. 1, p. 1–9, 2026. DOI: 10.21831/socia.v23i1.96652. Disponível em: https://journal.uny.ac.id/index.php/sosia/article/view/96652. Acesso em: 13 may. 2026.