HJARVARD, S.; HELLES, R. Digital Books on the Point of Take-off? The Ebook in Denmark Anno 2013. Academic Quarter | Akademisk kvarter, [S. l.], n. 7, p. 34–50, 2013. DOI: 10.5278/ojs.academicquarter.v0i7.2818. Disponível em: https://journals.aau.dk/index.php/ak/article/view/2818. Acesso em: 2 maj. 2024.