ФИО:
Chegodaeva Alena Yurievna
About author:
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda
e-mail:
alena.13ch@yandex.ru
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda