ФИО:
Vasilyeva Tatyana Victorovna
About author:
Federal State Budgetary Educational Institution of the Higher Education the Vereshchagin State Dairy Farming Academy of Vologda
e-mail:
ttvvtt2013@ya.ru
Federal State Budgetary Educational Institution of the Higher Education the Vereshchagin State Dairy Farming Academy of Vologda