KUSUMASTUTI, F. A.; LUTFI, M. K.; YUSUP JUNAEDI; ALIEP. Epistemological Obstacle on Triangle And Quadrilateral Topic. JURNAL PENDIDIKAN DAN SAINS, [S. l.], v. 1, n. 2, 2022. Disponível em: https://jupisi.untara.ac.id/index.php/jupisi/article/view/19. Acesso em: 2 jul. 2024.