ФИО:
Startceva Svetlana Yur’evna
About author:
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda
e-mail:
startseva.s@yandex.ru
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda