ФИО:
Osmolovskaya Svetlana Pavlovna
About author:
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin Vologda State Dairy Farming Academy of Vologda
e-mail:
osvetlana2013@yandex.ru
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin Vologda State Dairy Farming Academy of Vologda