ON THE STUDY OF SPELLING RULES AT SECONDARY SCHOOL: HISTORY AND MODERNITY. Proceedings of Southern Federal University. Philology, [S. l.], v. 25, n. 4, p. 164–178, 2021. Disponível em: https://philol-journal.sfedu.ru/index.php/sfuphilol/article/view/1680. Acesso em: 13 may. 2026.