Bondarenko К. К., and Grigorenko Д. Н. “The Use of Differential Approach for cadets’ Special Training Mark Rating”. Chrezvychaynye Situatsii: Obrazovanie I Nauka, vol. 2, no. 2, Dec. 2007, pp. 105-12, https://journals.ucp.by/index.php/gei/article/view/767.