Edutainment Technologies. Educational Games and Virtual Reality/Augmented Reality Applications 6th International Conference on E-learning and Games, Edutainment 2011, Taipei, Taiwan, September 2011. Proceedings - Chang, Maiga; Hwang, Wu-Yuin; Chen, Ming-Puu; Müller, Wolfgang (Springer Berlin Heidelberg : Imprint: Springer, 2011)