Mandal, G.P. et al. 2007. Role of Microbial Flora on Distribution of Collembola at Waste Disposal Site, Dhapa, Kolkata. Records of the Zoological Survey of India. 107, 3 (Sep. 2007), 63–69. DOI:https://doi.org/10.26515/rzsi/v107/i3/2007/159126.