Batubara RW, Batubara A, Ardiyansah TY. Development of Introduction to Linguistics’ Textbook for English Education Students University of Muhammadiyah Gresik. JETLAL [Internet]. 2021 Apr. 7 [cited 2025 May 22];4(2):135-40. Available from: https://journal.umg.ac.id/index.php/jetlal/article/view/2516