Waleed Abd, Ismael Rhman, Alaa Huseen Faraj, y Mohammed Khaleel Ibraheem. «Effectiveness of the Ring House Strategy in Collecting and Developing Visual Thinking». Opción 350 (junio 9, 2019): 28. Accedido abril 16, 2024. https://produccioncientificaluz.org/index.php/opcion/article/view/27383.