Azarenko , Olena, Yulia Honcharenko, Mykhailo Divizinyuk, Volodymyr Mirnenko, and Valeriy Strilets. 2021. “Ways to Increase the Effectiveness of Physical Protection Systems of Critical Infrastructure of the State, Protected”. Social Development and Security 11 (4), 200-213. https://doi.org/10.33445/sds.2021.11.4.18.