Samarin , Gennady, Alexey Vasilyev, Dmitry Tikhomirov, Dmitry Normov, Alexey Pavlov, Irina Kokunova, Margarita Solovieva, and Leonid Dvoretckii. “The Environmental Impact of Pig Farming”. KnE Life Sciences 6, no. 3 (April 5, 2021): 932–941. Accessed April 24, 2024. https://knepublishing.com/index.php/KnE-Life/article/view/9031.