Islamova, O. 2021. PROFESSIONAL MOBILITY AS A FACTOR OF BORDER GUARDS READINESS FOR PROFESSIONAL ACTIVITY: UKRAINIAN AND EUROPEAN EXPERIENCE. Bulletin of Taras Shevchenko National University of Kyiv. Military-special sciences. 1(45) (Mar. 2021), 13–16. DOI:https://doi.org/10.17721/1728-2217.2021.45.13-16.