“Ecological Disaster in Northern Sumatra: How Extreme Rainfall and Land-Cover Disturbance Triggered Widespread Flash Flooding ”. Jurnal Penelitian Kehutanan Wallacea 14, no. 2 (December 30, 2025): 111–121. Accessed August 2, 2026. https://journal-598.unhas.ac.id/index.php/wallacea/article/view/48907.