Somantri, Lili, and Haikal Muhammad Ihsan. “Development of a Thematic Mapping Learning Module for Social Studies Based on Geographic Information Systems”. Jurnal Kependidikan : Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran, dan Pembelajaran 11, no. 3 (September 15, 2025): 1259–1270. Accessed October 12, 2025. https://e-journal.undikma.ac.id/index.php/jurnalkependidikan/article/view/12542.