Comércio electrónico na Internet / Miguel Mira da Silva... [et al.]
Aspectos jurídicos del comercio electrónico en Internet / Javier Ribas Alejandro
Intelligent control systems using soft computing methodologies / Ali Zilouchian and Mo Jamshidi
Learning by doing : a comprehensive guide to simulations, computer games, and pedagogy in e-learning and other educational experiences / Clark Aldrich