ФИО:
Khabarova Galina Vasilyevna
About author:
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin Vologda State Dairy Farming Academy
e-mail:
galinakhabarova@yandex.ru
Federal State Budgetary Educational Institution of Higher Education the Vereshchagin Vologda State Dairy Farming Academy