Катков, К.А. “TO THE QUESTION IN THE FORMATION OF COMBINED BREEDING INDICES IN THE SHEEP BREEDING”. Agricultural Journal ISSN (Print): 2687-1246, ISSN (Online): 2687-1254 13, no. 1 (May 25, 2020). Accessed November 8, 2026. https://ojs.fnac.center/index.php/agricultural-journal/article/view/72.