“LEGAL CONDITIONS FOR THE CONSTITUTIONAL COMPETENCES OF STATE AUTHORITIES IN A SECURITY AND DEFENSE SPHERE IN THE CONTEXT OF INTERNATIONAL POLICY”. Research Bulletins of the Faculty of Economic Sciences, vol. 1, no. 23, Dec. 2019, pp. 25-48, https://ezeszyty.wne.tu.koszalin.pl/index.php/zeszyty/article/view/145.