HAIKO, H.; BILETSKY, V. The History of Industrial Oil Extraction in Azerbaijan (the 19th - beginning of the 20th centuries). Skhid, [S. l.], n. 4(162), p. 35–40, 2019. DOI: 10.21847/1728-9343.2019.4(162).176938. Disponível em: http://skhid.kubg.edu.ua/article/view/176938. Acesso em: 28 jan. 2022.