Ambasta, Sanjeev Kumar, and Seema Kumari. 2013. “Earthworm: A Natural Ecofriendly Organism for Recycling of Organic Residues and Improvement of Soil Health by Vermicompost”. International Journal of Applied Sciences and Biotechnology 1 (4):171-75. https://doi.org/10.3126/ijasbt.v1i4.9130.