Tkachenko, Vitaly, Oleksii Chornenkyi, НatsenkoSerhii, and Serhii Mordvinof. “Justification of the Approach to the Optimal Selection of Performance Indicators of the Defense Sector of Ukraine”. Social Development and Security 14, no. 5 (October 31, 2024): 58-74. Accessed July 27, 2026. http://paperssds.eu/index.php/JSPSDS/article/view/751.