Berezovskaya, L. (2012). The Idea of School Education Organization on the Basis of Individualization and Differentiation in Activity of the Ussr People’s Commissariat of Education in The Early 1920s of the Twentieth Century. Pedagogical Discourse, (11), 17-23. Retrieved from https://ojs.kgpa.km.ua/index.php/peddiscourse/article/view/769