LAILA, N.; AL AYUBI, S. Improvement of Mathematics Learning Outcomes Through the Application of Group Investigation (GI) Learning Models. Jurnal Axioma : Jurnal Matematika dan Pembelajaran, [S. l.], v. 3, n. 2, p. 112–123, 2018. Disponível em: https://ejurnal.uij.ac.id/index.php/AXI/article/view/328. Acesso em: 29 mar. 2024.