HENDRAYANA, H.; PUTRA, D. P. E.; PRIAMBODO, Y. Assessment of organic carbon contamination in the unsaturated zone: a case of Yogyakarta City, Indonesia. Journal of Degraded and Mining Lands Management, Malang, Indonesia, v. 9, n. 1, p. 3115–3127, 2021. DOI: 10.15243/jdmlm.2021.091.3115. Disponível em: https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/947. Acesso em: 15 jan. 2025.