SITINJAK, Sella Oktavia; SUGIHARTO, Sugiharto. Pengaruh Projek Based Learning (PjBL) Menggunakan Webgis Kependudukan Terhadap Kemampuan Berpikir Spasial Siswa Materi Dinamika Kependudukan Kelas XI SMA Negeri 1 Tanjung Morawa. Journal of Humanities Education Management Accounting and Transportation, [S. l.], v. 2, n. 1, p. 858–867, 2025. DOI: 10.57235/hemat.v2i1.5283. Disponível em: https://www.rayyanjurnal.com/index.php/HEMAT/article/view/5283. Acesso em: 13 jun. 2026.