HAVRYLENKO, T. Intra-school differentiation in primary education of Ukraine (1975-1990s): Achievements and disappointments in a historical perspective. Ricerche di Pedagogia e Didattica. Journal of Theories and Research in Education, [S. l.], v. 18, n. 1, p. 15–28, 2023. DOI: 10.6092/issn.1970-2221/15662. Disponível em: https://rpd.unibo.it/article/view/15662. Acesso em: 21 may. 2024.