KHAN, G. Z.; DIN, M. N. U. Exploring the Effectiveness of English Language Textbooks at Intermediate Level in Developing Productive Language Skills. Annals of Human and Social Sciences, Gujranwala, Pakistan, v. 4, n. 3, p. 299–308, 2023. DOI: 10.35484/ahss.2023(4-III)27. Disponível em: https://ojs.ahss.org.pk/journal/article/view/434. Acesso em: 24 nov. 2024.