TOMBERG, Igor. CENTRAL ASIAN GAS IN THE CHANGING GEOPOLITICAL CONTEXT. CENTRAL ASIA AND THE CAUCASUS, Delhi, India, v. 13, n. 1, p. 07–20, 2012. Disponível em: http://13.200.237.241/CAC/index.php/cac/article/view/1513.. Acesso em: 9 jan. 2025.