ФИО:
Shchekut’yeva Natal’ya Aleksandrovna
About author:
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda
e-mail:
natasha_k.08@mail.ru
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin State Dairy Farming Academy of Vologda