Indra Perkasa K, Emzir E, Dewanti R, Dewanti R. ENHANCING ENGLISH SPEAKING SKILL THROUGH JIGSAW COOPERATIVE LEARNING (Action Research In X Class of MIA SMA Negeri 2 DKI Jakarta). Bahtera [Internet]. 2018 Jul. 14 [cited 2024 Nov. 6];17(2):46-53. Available from: https://journal.unj.ac.id/unj/index.php/bahtera/article/view/7624