On certain groups in the Soviet outbound tourism (on the example of the Kaliningrad region)
... Groups and Delegates: Travel from Finland to the Soviet Union from 1950 to 1980. URL:
http://www.genealogia.fi/emi/art/article242e
. htm (дата обращения: 27.11.2017).
Kostiuk A.
tourism, outbound tourism, specialized tourist groups, groups of related jobs, international experience
80-86
