RIF’AT, M. . Enhancing Visual Abilities in Solving Mathematics Problems. Journal of Engineering and Scientific Research, [S. l.], v. 2, n. 1, p. 58–63, 2020. DOI: 10.23960/jesr.v2i1.44. Disponível em: https://jesr.eng.unila.ac.id/index.php/ojs/article/view/44. Acesso em: 28 jun. 2022.