JAIJAN, W.; LOIPHA, S. Making Mathematical Connections with Transformations Using Open Approach. HRD Journal, Chonburi, Thailand, v. 3, n. 1, p. 91–100, 2013. Disponível em: https://so01.tci-thaijo.org/index.php/HRDJ/article/view/11305. Acesso em: 4 mar. 2024.