KOLOKOLNIKOVA, Z. U. Factory seven-year-old of Krasnoyarsk and its work in the 30s of the twentieth century. Pedagogika, [S. l.], v. 88, n. 3, p. 112–119, 2024. Disponível em: https://ojs.owebs.ru/pedagogika/article/view/30252. Acesso em: 8 nov. 2026.