Semenenko , O., O. Romanchenko, P. Onofriychuk, I. Motrunych, I. Skvorok, and O. Rakhmaniy. “Methodical Approach to Determining the Cost of Using the Armed Forces”. Social Development and Security, Vol. 11, no. 1, Feb. 2021, pp. 217-28, doi:10.33445/sds.2021.11.1.19.