Reggiori, R., & Cattaneo, A. (2005). How to make classroom not-attendance an educational opportunity? In A. Öztürk, F. Flueckiger, R. Ruprecht & L. K. Gürer (Eds.), Design of Education in the 3rd Millenium. Frontiers in Engineering Education. Proceedings of the 34th International Engineering Education Symposium IGIP, Istanbul, September, 12th-15th (Vol. 1, pp. 871-880). Istanbul: Mor Ajans.