Karpych, Iryna. “Periodicals Ukraine As a Means to Promote the Theory and Practice of Childrenʼs Movement in the 20ʼs – Early 30-Ies of XX Century”. Pedagogical Discourse0, no. 15 (September 30, 2013): 315-320. Accessed April 25, 2024. https://ojs.kgpa.km.ua/index.php/peddiscourse/article/view/721.