Kurniati, D. ., Simaibang, B. ., & Mulyadi, M. (2021). The Suitability Of Readibility Levels Of Reading Texts In English Textbook For Tenth Grader By Kemendikbud. Jurnal Pendidikan Tambusai, 5(2), 5099–5104. https://doi.org/10.31004/jptam.v5i2.1768