ALJABALI , L. . Readability Level of Mathematics Textbook for Sixth Grade in Jordan. Dirasat: Educational Sciences, [S. l.], v. 47, n. 1, p. 494–505, 2020. Disponível em: https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/1872. Acesso em: 22 feb. 2026.