“Analisis Spasial Pengembangan Kawasan Air Terjun Janji Kabupaten Humbang Hasundutan”, jse, vol. 9, no. 3, pp. 9743–9754, Jul. 2024, Accessed: Apr. 19, 2025. [Online]. Available: https://jse.serambimekkah.id/index.php/jse/article/view/309