Melenia Kristisara Putri, Yunik Susanti, and Diani Nurhajati. “Incorporating Differentiated Listening Instructional Materials in English Listening Class of Mixed Competence Students”. ELTT, vol. 9, no. 1, Oct. 2023, pp. 198-03, https://proceeding.unpkediri.ac.id/index.php/eltt/article/view/4233.