BAKARA, J.; PASARIBU, A. N. 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, [S. l.], v. 5, n. 1, p. 10–23, 2022. DOI: 10.54367/aquinas.v5i1.1552. Disponível em: https://ejournal.ust.ac.id/index.php/Aquinas/article/view/1552. Acesso em: 4 dec. 2024.