PUTRAWANGSA, S.; HASANAH, U. Students’ Prior Understanding of Area. Beta: Jurnal Tadris Matematika, [S. l.], v. 8, n. 2, p. 100–114, 2015. Disponível em: http://jurnalbeta.ac.id/index.php/betaJTM/article/view/28. Acesso em: 1 jul. 2026.