Rizky Kurniawan, et al. “DEVELOPMENT OF A WARMING-UP GAME GUIDEBOOK FOR ELEMENTARY SCHOOL PHYSICAL AND SOCIAL SCIENCES LEARNING”. Akrab Juara : Jurnal Ilmu-Ilmu Sosial, vol. 10, no. 4, Nov. 2025, pp. 1591-00, https://akrabjuara.com/index.php/akrabjuara/article/view/2621.