Patterns and Functions of Code-Switching and Teachers’ Professional Role Identity in Multilingual EFL Classrooms: A Quasi-Experimental Study in a Public Sector University of Sindh, Pakistan. IJHS [Internet]. 2026 Mar. 16 [cited 2026 Sep. 24];6(01):124-42. Available from: https://ijhs.com.pk/index.php/IJHS/article/view/902