HASANBAŠIĆ , E. QUALITY ANALYSIS OF THE CONTENT OF MATHEMATICS TEXTBOOKS FOR THE FOURTH GRADE OF PRIMARY SCHOOL. NIR, [S. l.], v. 1, n. 19, p. 77, 2021. DOI: 10.59417/nir.2021.19.77. Disponível em: http://nir-casopis.org/index.php/nir/article/view/76. Acesso em: 10 mar. 2025.