Tkachenko, Vitaly, Oleksii Chornenkyi, НatsenkoSerhii, and Serhii Mordvinof. 2024. “Justification of the Approach to the Optimal Selection of Performance Indicators of the Defense Sector of Ukraine”. Social Development and Security 14 (5), 58-74. https://doi.org/10.33445/sds.2024.14.5.6.