Elisa Haddina. Improving Speaking English Ability Students With The Jigsaw Method At Second Semester Of PJKR STOK Bina Guna Medan. marga [Internet]. 2025 Feb. 8 [cited 2026 Aug. 17];2(1):1-5. Available from: https://jurnal.stokbinaguna.ac.id/index.php/marga/article/view/2810