محمد يحيى أ. Measuring Cognitive Motivation the Basic EducationCollage’s Students. College of Basic Education Research Journal, [S. l.], v. 9, n. 3, p. 80–99, 2010. Disponível em: https://stats.uomosul.edu.iq/index.php/berj/article/view/38534. Acesso em: 26 oct. 2025.