JOSHI, N., DABRAL, M., & MAIKHURI, R. K. (2010). Density, Biomass and Species Richness of Earthworms in Agroecosystems of Garhwal Himalaya, India. Tropical Natural History, 10(2), 171–179. Retrieved from https://li01.tci-thaijo.org/index.php/tnh/article/view/103017