Pereira Nunes, Bernardo; Pedrosa, Stella; Kawase, Ricardo; Alrifai, Mohammad; Marenzi, Ivana; Dietze, Stefan; Casanova, Marco Antonio
(Heidelberg : Springer Verlag, 2013)
Learning is a level-progressing process. In any field of study, one must master basic concepts to understand more complex ones. Thus, it is important that during the learning process learners are presented and challenged ...