“Pengaruh Model Problem Based Learning Berbantuan Webgis Kependudukan Terhadap Keterampilan Berpikir Spasial Siswa”. geoedusains: Jurnal Pendidikan Geografi 6, no. 2 (December 30, 2025): 109–121. Accessed August 17, 2026. https://jurnal.fkip.unmul.ac.id/index.php/geoedusains/article/view/5881.