Yunita Sari Putri, Hestiningrum, Supriyono Supriyono, and Aini Miza Rahmatika. “ENGLISH KEREN REK (EKR) WEB BASE GAME APPLICATION MODEL TO ENRICH X GRADE STUDENTS’ ENGLISH GRAMMAR ACHIEVEMENT”. JOSAR (Journal of Students Academic Research) 4, no. 1 (March 31, 2019): 107-120. Accessed November 24, 2024. https://ejournal.unisbablitar.ac.id/index.php/josar/article/view/783.