Margulyan, Yakov, and Nadezhda Pokrovskaya. “MIGRATION AS A FACTOR OF SOCIAL SECURITY IN THE MODERN SOCIETY”. Journal of Sociology: Bulletin of Yerevan University, vol. 6, no. 1 (16), May 2015, pp. 3-18, doi:10.46991/BYSU:F/2015.1.003.