Pambudi, Andi Setyo, Setyo Sarwanto Moersidik, and Mahawan Karuniasa. “Analysis of Recent Erosion Hazard Levels and Conservation Policy Recommendations for Lesti Subwatershed, Upper Brantas Watershed”. Jurnal Perencanaan Pembangunan: The Indonesian Journal of Development Planning 5, no. 1 (April 30, 2021): 71-93. Accessed August 4, 2021. https://journal.bappenas.go.id/index.php/jpp/article/view/167.