Furmanchuk, D. “Ways and Forms of Action of the Kholodnyi Yar Insurgent Formations in the Struggle Against Russian-Bolshevik Occupiers (1919–1921)”. Social Development and Security, Vol. 16, no. 2, Apr. 2026, pp. 358-73, doi:10.33445/sds.2026.16.2.29.