LevchukNataliіa. “The Essence and Structure of Economic Competence of Staff Officers of the State Border Guard Service of Ukraine”. Pedagogical Discourse0, no. 20 (May 12, 2016): 122-127. Accessed March 4, 2026. https://www.ojs.kgpa.org.ua/index.php/peddiscourse/article/view/69.