WATT, Michael. Research on textbook use in the United States of America. IARTEM e-journal, Kongsberg, Norway, v. 7, n. 2, p. 48–72, 2015. DOI: 10.21344/iartem.v7i2.746. Disponível em: https://iartemejournal.org/index.php/IARTEM/article/view/746.. Acesso em: 15 may. 2025.