ФИО:
Gabrielyan Dina Sergeevna
About author:
The Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda
e-mail:
dg050272@yandex.ru
The Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda