Rai, S., K. Gharti, M. Shrestha, R. Ranjan, J. Diana, and H. Egna. “Potential Substrates for Periphyton Enhancement in Carp-SIS Polyculture”. Our Nature, vol. 16, no. 1, Dec. 2018, pp. 8-16, doi:10.3126/on.v16i1.21559.