1.
Bakara J, Pasaribu AN. THE IMPLEMENTATION OF COOPERATIVE LEARNING BY USING A JIGSAW TECHNIQUE IN SPEAKING TO THE GRADE XI STUDENTS OF SMK NEGERI 9 MEDAN. AQUINAS [Internet]. 2022Feb.4 [cited 2024May6];5(1):10-23. Available from: https://ejournal.ust.ac.id/index.php/Aquinas/article/view/1552