MAKHANOV, Sagat S.; SHALBOLOVA, Urpash Zh.; KIM, Yevgeniy G. Investing in diversification: oil industry of Kazakhstan. Business: Theory and Practice, [S. l.], v. 24, n. 2, p. 325–333, 2023. DOI: 10.3846/btp.2023.16823. Disponível em: https://journals.vilniustech.lt/index.php/BTP/article/view/16823. Acesso em: 9 may. 2025.