Carolin Panjaitan, David Berthony Manalu, Siska Anggita Situmeang. Using Scramble Game To Develop English Vocabulary Of Grade Seven Students At SMP Negeri 1 Pematangsiantar . JIPSI [Internet]. 2023 Oct. 31 [cited 2026 Apr. 17];2(3):319-28. Available from: https://putrapublisher.org/ojs/index.php/jipsi/article/view/435