Hendrayana, H., Putra, D. P. E. and Priambodo, Y. (2021) “Assessment of organic carbon contamination in the unsaturated zone: a case of Yogyakarta City, Indonesia”, Journal of Degraded and Mining Lands Management. Malang, Indonesia, 9(1), pp. 3115–3127. doi: 10.15243/jdmlm.2021.091.3115.