Sotiriou, S., Chryssafidou, E., Owen, M., Barajas Frutos, M., Zistler, E., Lohr, M., Stratakis, M., Miliarakis, A., Milrad, M., & Spikol, D. (2008). The COLLAGE project: Guide of Good Practice for Mobile and Game Based Learning . ISBN: 978-960-6701-56-6
Marcelo Milrad.
Daniel Spikol.