GAYKO, G.; BILETSKY, V. Development of the oil industry in the USA (Part I). Skhid, [S. l.], n. 4(156), p. 37–40, 2018. DOI: 10.21847/1728-9343.2018.4(156).143493. Disponível em: https://skhid.kubg.edu.ua/article/view/143493. Acesso em: 27 nov. 2024.