EFENDIYEV, G.; KARAZHANOVA, M.; AKHMETOV, D.; PIRIVERDIYEV, I. Evaluating the degree of complexity of tight oil recovery based  on the classification of oils. Visnyk of Taras Shevchenko National University of Kyiv. Geology, [S. l.], v. 1, n. 88, p. 76–81, 2020. DOI: 10.17721/1728-2713.88.11. Disponível em: https://geology.bulletin.knu.ua/en/article/view/1182. Acesso em: 11 oct. 2026.