Al-Jarjari ن. ج. ع. .; Al-Khafaji و. م. ي. Effect of using illustrated Helicopter Cards on achieve ment of fourth primary class pupils in Sciens. College of Basic Education Research Journal, [S. l.], v. 21, n. 2.1, p. 1–19, 2025. DOI: 10.33899/berj.2025.Vol21.Iss2.1.51248. Disponível em: https://moss.uomosul.edu.iq/index.php/berj/article/view/51248. Acesso em: 26 oct. 2025.