Belyaninov, Andrey. “Creation of a Customs Union in the Framework of EurAsEc and the Role of Customs Services in the Integration Process”. Gosudarstvennaya Sluzhba, vol. 14, no. 6, Nov. 2012, pp. 24-29, https://gosudarstvennaya-sluzhba.owebs.ru/article/view/21643.