Zangoei, Ali, y Seyed Mohammad Reza Amirian. «The Effect of Concept Mapping on Learning English Requests by Iranian High School Students». Pragmalingüística, no. 27 (diciembre 1, 2019): 385–406. Accedido abril 11, 2025. https://revistas.uca.es/index.php/pragma/article/view/3658.