Arifin, M., Nuraini, Y., Utomo, W. H. and Wardiyati, T. (2015) “The potential of Lumbricus rubellus as a bioaccumulator of excess Pb and Cd in organic media”, Journal of Degraded and Mining Lands Management. Malang, Indonesia, 2(4), pp. 397–402. doi: 10.15243/jdmlm.2014.024.397.