DIAS, Albertina. Technology Enhanced Learning and Augmented Reality: An Application on Multimedia Interactive Books. International Business and Economics Review, [S.l.], v. 1, n. 1, oct. 2009. ISSN 1647-1989. Available at: <http://revistas.ulusofona.pt/index.php/iber/article/view/862>. Date accessed: 26 mar. 2019.