GULOV, A. P. Decentralization paradox in educational assessment: validity of the All-Russian School Olympiad. Pedagogika, [S. l.], v. 90, n. 4, p. 39–51, 2026. Disponível em: https://ojs.owebs.ru/pedagogika/article/view/30560. Acesso em: 8 nov. 2026.