Sari, Rani Puspita, Sofnidar Sofnidar, and Khairul Anwar. “Playing, Moving, and Thinking: Game-Based Outdoor Learning to Mathematical Problem-Solving Ability”. Kognitif: Jurnal Riset HOTS Pendidikan Matematika 6, no. 1 (February 19, 2026): 240–254. Accessed February 22, 2026. https://etdci.org/journal/kognitif/article/view/4699.