HIKMAT AHMED QUABA’, S. Teaching compound numbers by using Baiby sample and its impacts on the results of 6th year preparatory school students. اداب الرافدین, [S. l.], v. 50, n. 80, p. 952–985, 2000. DOI: 10.33899/radab.2020.165353. Disponível em: https://radab.uomosul.edu.iq/index.php/radab/article/view/34013. Acesso em: 10 dec. 2025.