Pengaruh Model Pembelajaran Model Problem Based Learning Dalam Meningkatkan Kemampuan Berpikir Spasial Di SMAN 13 Samarinda. geoedusains. j. pend. geo [Internet]. 2024 Jul. 14 [cited 2026 Aug. 25];5(1):1-13. Available from: https://jurnal.fkip.unmul.ac.id/index.php/geoedusains/article/view/3446