Dietmar Pfahl Oliver Laitenberger Jörg Dorsch Günther Ruhe An Externally Replicated Experiment for Evaluating the Learning Effectiveness of Using Simulations in Software Project Management Education. 367-395 2003 8 Empirical Software Engineering 4 http://dx.doi.org/10.1023/A:1025320418915 db/journals/ese/ese8.html#PfahlLDR03