Katlishin OI, Panyshev AI. The competitiveness evaluation of milk trademarks on the market of Chelyabinsk region. AmazInv [Internet]. 2021 Sep. 29 [cited 2025 Sep. 15];10(44):126-37. Available from: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/1717