Kovaliov Denis V.. Comparative analysis of nation-building processes in Finland and Sub-Russian Ukraine (late 18th – early 20th centuries) : Кандидат історичних наук : spec.. 07.00.01 - Історія України : presented. 2021-05-12; popup.evolution: .; Oles Honchar Dnipro National University. – Дніпро, 0421U102123.

Updated: 2026-11-09