Widiatiningsih, A., Mujiyo, M., & Suntoro, S. (2018). Study of Soil Degradation Status at Jatipurno District, Keduang Sub-Watersheds, Wonogiri Regency, Central Java. SAINS TANAH - Journal of Soil Science and Agroclimatology, 15(1), 1-14. https://doi.org/10.15608/stjssa.v15i1.21616