FRANCO, D.; SANTO, E. THE CHALLENGE OF LEARNING IN THE DIGITAL AGE. AN ANALYSIS OF THE DER (School textbook, Portuguese Language, 12th year). TICs & EaD em Foco, São Luís, v. 2, n. 2, 2016. Disponível em: https://xibo.uemanet.uema.br/index.php/ticseadfoco/article/view/108. Acesso em: 27 nov. 2024.