Thanasis Daradoumis, Santi Caballé, Angel A. Juan, Fatos Xhafa Technology-Enhanced Systems and Tools for Collaborative Learning Scaffolding - New York Springer Berlin Heidelberg 2011 - Studies in Computational Intelligence . ISBN: 978-3-642-19814-4 Subjects--Topical Terms: Computational Intelligence; Artificial Intelligence (incl. Robotics)