ZHURBA, Kateryna; SHKILNA, Iryna. THEORETICAL PRINCIPLES OF THE FORMATION OF NATIONAL SOLIDARITY AMONG SCHOOLCHILDREN AND STUDENT YOUTH IN WAR AND POST-WAR TIMES. Theoretical and Methodical Problems of Children and Youth Education, [S. l.], v. 27, n. 1, p. 209–221, 2023. DOI: 10.32405/2308-3778-2023-27-1-209-221. Disponível em: https://ojs.ipv.org.ua/index.php/journal/article/view/17. Acesso em: 26 jul. 2026.