AL ABED, A. .; AL BABA, M. . The Effect of Using Roger Bybee Model on Understanding Arithmetic Operations on Regular Fractions and Decimals for sixth Graders . Dirasat: Educational Sciences, [S. l.], v. 47, n. 2, p. 1–18, 2020. Disponível em: http://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2163. Acesso em: 7 jul. 2024.