FRANCO, DULCE, e ESMERALDA SANTO. “THE CHALLENGE OF LEARNING IN THE DIGITAL AGE. AN ANALYSIS OF THE DER (School Textbook, Portuguese Language, 12th Year)”. TICs & EaD em Foco 2, no. 2 (novembro 4, 2016). Acessado outubro 5, 2024. http://45.71.6.16/index.php/ticseadfoco/article/view/108.