PERMINOVA, L. M. A school textbook: transformation of the functions in the context of nonlinear education development. Pedagogika, [S. l.], v. 88, n. 12, p. 16–26, 2024. Disponível em: https://ojs.owebs.ru/pedagogika/article/view/30363. Acesso em: 8 nov. 2026.