Ramadhan, N. F., Gunawan, T. and Adji, T. N. (2020) “Environmental damage assessment due to traditional mining on local scale in the Wungkal Hills, Yogyakarta-Indonesia”, Journal of Degraded and Mining Lands Management. Malang, Indonesia, 7(2), pp. 1995–2000. doi: 10.15243/jdmlm.2020.072.1995.