Purwanta, J, Suharwanto Suharwanto, and Trismi Ristyowati. “Mitigation of Environmental Damage in the Cangkringan Area, Sleman Regency”. RSF Conference Series: Engineering and Technology 1, no. 1 (November 15, 2022): 291–297. Accessed August 31, 2024. https://proceeding.researchsynergypress.com/index.php/cset/article/view/375.