Anam, Khoirul, Ahmad Munir, and Syafiul Anam. “Teachers’ Perception about Authentic Materials and Their Implementation in the Classroom”. IJET (Indonesian Journal of English Teaching) 8, no. 1 (July 23, 2019): 1-8. Accessed April 15, 2021. http://jurnalftk.uinsby.ac.id/index.php/IJET/article/view/214.