ESIMOVA, Kalamkas. KAZAKHSTAN-CHINESE COOPERATION IN THE ENERGY SPHERE. CENTRAL ASIA AND THE CAUCASUS, Delhi, India, v. 6, n. 1, p. 146–152, 2005. Disponível em: http://13.200.237.241/CAC/index.php/cac/article/view/571.. Acesso em: 9 jan. 2025.