ASLAN, Aslan; JUMALIA, Jumalia; ASDAR, Asdar. Implementation of Project-Based Learning Models with a STEM Approach to Understanding Student Concepts in Spatial Geometry. OMEGA: Jurnal Keilmuan Pendidikan Matematika, [S. l.], v. 5, n. 1, p. 24–30, 2026. DOI: 10.47662/jkpm.v5i1.1148. Disponível em: https://ejurnal.univamedan.ac.id/index.php/jkpm/article/view/1148. Acesso em: 2 feb. 2026.