1. ADB. (2015). Asian development outlook 2015. Financing Asia’s future growth. [pdf] Accessed August 30, 2015, from http://www.adb.org/sites/default/files/publication/154508/ado-2015.pdf
2. Agency of Statistics of the Republic of Kazakhstan. [online] Accessed August 20, 2015, from www.stat.gov.kz
3. Baldwin, R. (1997). The causes of regionalism. The World Economy, 20(7), 865–888.
4. Bhagwati, J. (1992). Regionalism versus multilateralism. The World Economy, 15(5), 535–556.
5. CAREC. (2012). Annual report. Corridor performance measurement & monitoring. [pdf]. Accessed August 30, 2014, from http://cfcfa.net/images/downloads/CPMM-AR2012-ENG.pdf