JEFTA, PUTRI. “THE USE OF CORRECTION CODES IN WRITING CLASS TO HELP TENTH GRADE STUDENTS DO SELF-CORRECTION”. RETAIN : Journal of Research in English Language Teaching 1, no. 3 (August 15, 2013). Accessed May 19, 2024. https://ejournal.unesa.ac.id/index.php/retain/article/view/3795.