ASWAN SABER MAJID. THE FORMAL THINKING INCLUDED IN THE MATHEMATICS BOOK FOR THE FIRST INTERMEDIATE GRADE. European Journal of Humanities and Educational Advancements, [S. l.], v. 3, n. 3, p. 266-275, 2022. Disponível em: https://scholarzest.com/index.php/ejhea/article/view/2012. Acesso em: 9 jan. 2025.