1.
Piekutowska A, Fiedorczuk M. Immigration from the CIS countries to Russia in the context of the economic crisis in the Russian Federation. oc [Internet]. 2018 Dec. 31 [cited 2022 Jan. 27];9(4):677-94. Available from: http://economic-research.pl/Journals/index.php/oc/article/view/1087