Kurniati D, Simaibang B, Mulyadi M. The Suitability Of Readibility Levels Of Reading Texts In English Textbook For Tenth Grader By Kemendikbud. jptam [Internet]. 2021 Aug. 29 [cited 2025 Jul. 12];5(2):5099-104. Available from: https://jptam.org/index.php/jptam/article/view/1768