Савчук, А. “EUROPEAN VECTOR OF DIPLOMATIC STAFF TRAINING IN THE VISEGRAG GROUP STATES (EARLY 90TH OF THE 20TH CENTURY)”. Modern Engineering and Innovative Technologies, vol. 4, no. 07-04, Apr. 2017, pp. 24-29, doi:10.30890/2567-5273.2019-07-04-033.