Fitria, Anita Dwy, S Sudarto, and Syahrul Kurniawan. “Land-Use Changes and Slope Positions Impact on the Degradation of Soil Functions in Nutrient Stock Within the Kalikungkuk Micro Watershed, East Java, Indonesia”. Journal of Degraded and Mining Lands Management 8, no. 2 (December 31, 2020): 2689–2702. Accessed June 14, 2024. https://www.jdmlm.ub.ac.id/index.php/jdmlm/article/view/812.