K. Mishra, K. Singh, and C. P. Mani Tripathi, “Management of municipal solid wastes and production of liquid biofertilizer through vermic activity of epigeic earthworm Eisenia fetida”, Int. J. Recycl. Org. Waste Agric., vol. 3, no. 3, Jun. 2014, doi: 10.1007/s40093-014-0056-0.