The effectiveness of an educational program according to visual thinking networks in the achievement of English language among fourth grade preparatory students. مجلة ديالى للبحوث الانسانية, Iraq, v. 3, n. 93, 2022. DOI: 10.57592/djhr.v3i93.2589. Disponível em: https://djhr.uodiyala.edu.iq/index.php/DJHR2022/article/view/2589. Acesso em: 10 2025.