سالم مصطفى الشكرجي ل. The Rate of Comprehension of Geographic Concepts and Their Relation to the Motivation of Learning for College of Education / Department of Geography Students. College of Basic Education Research Journal, [S. l.], v. 6, n. 3, p. 113–142, 2007. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/38367. Acesso em: 26 oct. 2025.