ASTARIAH, Rohani; RATNANINGSIH, Arum. Improving Learning Outcomes in Solid Geometry through Project-Based Learning (PjBL) Using Concrete Media in Grade 3 at SDN 6 Kaur. Global Education Journal, [S. l.], v. 4, n. 2, p. 569–578, 2026. DOI: 10.59525/gej.1672. Disponível em: https://journal.civiliza.org/index.php/gej/article/view/1672. Acesso em: 27 jun. 2026.