MELIHAN ÜNLÜ, GÜLFEM SARPKAYA AKTAŞ. Examination of Pre-service Elementary Mathematics Teachers’ Problems Posed about Algebraic Expressions and Equations. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 8, n. 1, p. 161–187, 2017. Disponível em: https://turcomat.org/index.php/turkbilmat/article/view/152. Acesso em: 29 apr. 2024.