DWIJAYANTI, N.; SUHARTA, I. G. P.; SARIYASA, .-. Bruner’s cognitive stages and their effects on the understanding of fraction concept. International research journal of engineering, IT and scientific research, [S. l.], v. 3, n. 4, p. 37–46, 2017. Disponível em: https://sloap.org/journals/index.php/irjeis/article/view/549. Acesso em: 25 feb. 2026.