BondаrchukL., Jermаk Łesiа, and PodgurskаT. “CERTIFICATE COURSE "MODERN POLISH BUSINESS COMMUNICATION" IN KYIV NATIONAL ECONOMIC UNIVERSITY NAMED AFTER VADYM HETMAN”. Scientific Journal of Polonia University, Vol. 22, no. 3, Feb. 2017, pp. 43-49, doi:10.23856/2205.