Shahid, Shahid Hussain, Muhammad Arif Khan, and Muhammad Ishtiaq. “Historical and Theoretical Perspectives of English for Specific Purposes: An Overview”. Pakistan Languages and Humanities Review 7, no. 2 (April 5, 2023): 370–383. Accessed November 22, 2024. https://ojs.plhr.org.pk/journal/article/view/433.