SAPYTSKA, I.; CHUDEK, M.; MALTSEVA, I. Organizational changes in the coal industry foreign countries. Skhid, [S. l.], n. 1(147), 2017. DOI: 10.21847/1728-9343.2017.1(147).96791. Disponível em: http://skhid.kubg.edu.ua/article/view/96791. Acesso em: 30 nov. 2021.