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