DR. MOHAMMED ALAMEEN YOUSIF KIBER; DR. MOHI ELDEEN AHMED ABD ELRAHMAN AHMED; DR. ABDELRAHMAN MOHAMMEDAIN ABDELRAHMAN AHMED. Comparison between Spine Students book one and Smile student book one on teachers’ point of view. White Nile Journal for Studies and Research, [S. l.], n. 17, p. 189–203, 2021. Disponível em: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/125. Acesso em: 13 jun. 2026.