Maulana, A., M. Harianti, T. B. Prasetyo, and H. Herviyanti. “Index of contamination/Pollution Factor, Geo-Accumulation and Ecological Risk in Ex-Gold Mining Soil Contaminated With Mercury”. Journal of Degraded and Mining Lands Management, vol. 10, no. 4, July 2023, pp. 4791-9, doi:10.15243/jdmlm.2023.104.4791.