Sari, R. P., Sofnidar, S., & Anwar, K. (2026). Playing, Moving, and Thinking: Game-Based Outdoor Learning to Mathematical Problem-Solving Ability. Kognitif: Jurnal Riset HOTS Pendidikan Matematika, 6(1), 240–254. https://doi.org/10.51574/kognitif.v6i1.4699