Sinha, R. K., Hahn, G., Singh, P. K., K.Suhane, R., & Anthonyreddy, A. (2011). Organic Farming by Vermiculture: Producing Safe, Nutritive and Protective Foods by Earthworms (Charles Darwin’s Friends of Farmers). Journal of Experimental Agriculture International, 1(4), 363-399. https://doi.org/10.9734/AJEA/2011/519