ФИО:
Demidova Anna Ivanovna
About author:
Federal State Budgetary Educational Institution of Higher Education “Vologda State Dairy Farming Academy by N.V. Vereshchagin”
e-mail:
vologdademidova@mail.ru
Federal State Budgetary Educational Institution of Higher Education “Vologda State Dairy Farming Academy by N.V. Vereshchagin”