SALEH, A.; عمار. The effect 4E×2 of a model in the development of engineering thinking for second –grade students in mathematics. Journal of Education for the Humanities , [S. l.], v. 4, n. 13, p. 575–600, 2025. Disponível em: https://ojs.uomosul.edu.iq/index.php/jeh/article/view/5482. Acesso em: 6 aug. 2025.