Salmawati, Salmawati, Weni Yulastri, and Alfroki Martha. “Offline Educational Games and Learning Motivation Effects on Fourth Grade Social Studies Achievement: An Experimental Study”. Journal of Education Research 7, no. 2 (June 5, 2026): 727–730. Accessed July 2, 2026. https://mail.jer.or.id/index.php/jer/article/view/3633.