Paul Grünbacher Norbert Seyff Robert O. Briggs Hoh Peter In Hasan Kitapci Daniel Port Making every student a winner: The WinWin approach in software engineering education. 1191-1200 2007 80 Journal of Systems and Software 8 http://dx.doi.org/10.1016/j.jss.2006.09.049 db/journals/jss/jss80.html#GrunbacherSBIKP07