Samarin , G., Vasilyev, A., Tikhomirov, D., Normov, D., Pavlov, A., Kokunova, I., Solovieva, M., & Dvoretckii, L. (2021). The Environmental Impact of Pig Farming. KnE Life Sciences, 6(3), 932–941. https://doi.org/10.18502/kls.v0i0.9031