Galiya Abdilova, Maksim Rebezov, Anton Nesterenko, Sergei Safronov, Irina Knysh, Irina Ivanova, Ivan Mikolaychik, Larisa Morozova. “Characteristics of Meat by-Products: Nutritional and Biological Value”. International Journal of Modern Agriculture, vol. 10, no. 2, May 2021, pp. 3895 -04, http://modern-journals.com/index.php/ijma/article/view/1264.