Басараб, О. К. “The Method for Determination the Complex Probabilistic Effectiveness Index of the State Border Guard Service of Ukraine Operational Activity”. Problems of Informatization and Control 3, no. 43 (September 1, 2013): 9–13. Accessed June 14, 2026. http://jrnl.kai.edu.ua/index.php/PIU/article/view/6408.