TY - CONF TI - A Card Game for Learning Software-Refactoring Principles AF - Proc. of the 3rd International Symposium on Gamification and Games for Learning (GamiLearn@CHIPLAY 2019) PP - Barcelona, Spain PB - CEUR WS SP - 1 EP - 8 PY - 2019-01-01 AU - Händler, Thorsten ER -