Purna Wiratno. “IMPROVING STUDENTS’ WRITING ABILITY THROUGH COOPERATIVE LEARNING TYPE JIGSAW”. JETA (Journal of English Teaching and Applied Linguistic) 1, no. 2 (December 30, 2020): 126–136. Accessed November 21, 2024. https://jurnal.stkippgribl.ac.id/index.php/jeta/article/view/636.