Ссылка для цитирования (ENG)
Voloshinova Irina Valeryevna , Afanasyev V. G. Features of Training Professional Personnel for the Mining Industry in Russia in the first half of the 19th century Bylye Gody. . 2020. №58. pp. 2505-2513. http://ejournal52.com/ru/archive.html?number=2020-12-01-14:01:35&journal=64
