مهدي يونس الخفاجي و. The Impact of Using Introductory Problems Solving on the Achievement of Fifth Primary Female Pupils and Developing their Deductive Thinking. College of Basic Education Research Journal, [S. l.], v. 8, n. 4, p. 1–36, 2009. Disponível em: https://jeh.uomosul.edu.iq/index.php/berj/article/view/39904. Acesso em: 27 oct. 2025.