Sara Zuppiroli; Paolo Ciancarini; Maurizio Gabbrielli, A Role-Playing Game for a Software Engineering Lab: Developing a Product Line, in: Proceedings 25th IEEE Conference on Software Engineering Education and Training, NEW YORK CITY, IEEE Computer Society, 2012, pp. 13 - 22 (atti di: CSEET Conference on Software Engineering Education and Training, Nanjing, China, 17 April 2012) [Contribution to conference proceedings]