Pengaruh Model Problem Based Learning Berbantuan Webgis Kependudukan Terhadap Keterampilan Berpikir Spasial Siswa. geoedusains. j. pend. geo [Internet]. 2025 Dec. 30 [cited 2026 Aug. 17];6(2):109-21. Available from: https://jurnal.fkip.unmul.ac.id/index.php/geoedusains/article/view/5881