Chowdhury, Suban Kumar, and Abdullah Hel Kafi. 2021. “THE HEARTLAND THEORY OF SIR HALFORD JOHN MACKINDER: JUSTIFICATION OF FOREIGN POLICY OF THE UNITED STATES AND RUSSIA IN CENTRAL ASIA”. Journal of Liberty and International Affairs 1 (2). https://e-jlia.com/index.php/jlia/article/view/21.