Bernd Pape Wolf-Gideon Bleek Iver Jackewitz Michael Janneck Software Requirements for Project-Based Learning - CommSy as an Exemplary Approach. 3 2002 HICSS http://csdl.computer.org/comp/proceedings/hicss/2002/1435/01/14350003abs.htm db/conf/hicss/hicss2002-1.html#PapeBJJ02