ФИО:
Snezhko Darya Alekseyevna
About author:
The Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda
e-mail:
kozinovada@yandex.ru
The Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda