Abramov V, Mokliak S, Smolianiuk V, Ablazov I. Theory-practice problems of public national security policy related to the concept of “complexity” (methodological aspect). PSSSJ [Internet]. 2021Dec.30 [cited 2024May3];2(4):28-35. Available from: http://psssj.eu/index.php/ojsdata/article/view/81