Bakara, J., & Pasaribu, A. N. (2022). THE IMPLEMENTATION OF COOPERATIVE LEARNING BY USING A JIGSAW TECHNIQUE IN SPEAKING TO THE GRADE XI STUDENTS OF SMK NEGERI 9 MEDAN. Jurnal Ilmiah Aquinas, 5(1), 10–23. Retrieved from https://ejournal.ust.ac.id/index.php/Aquinas/article/view/1552