Salihah PR, Sahiruddin S, Degeng PDD. Text Readability in 11th and 12th Grade English Textbook of Indonesian Senior High School with FKGL Formula. diglossia. jurnal. kaji. ilm. kebahasaan. dan. kesusastraan [Internet]. 2020 Sep. 18 [cited 2024 Nov. 22];12(1):11-9. Available from: https://journal.unipdu.ac.id/index.php/diglosia/article/view/1931