ABED, RIHAB KHALEEL; HASSAN, DR. AREEJ KHUDER. Multiple Mathematical Representations According to the (Lesh) Model of High School Students and Its Relationship to Their Mathematical Ability. The journal of contemporary issues in business and government, [S. l.], v. 27, n. 3, p. 2200–2211, 2021. Disponível em: https://cibgp.com/index.php/1323-6903/article/view/1830. Acesso em: 31 oct. 2025.