000 00302nam a2200121Ia 4500
008 240624s9999 xx 000 0 und d
041 _aeng
082 _a658.4012 ZIC
100 _aZICHERMANN GABE
245 _aGAMIFICATION REVOLUTION
260 _c2013
_aNew Delhi
_bTata McGraw-Hill
365 _cRS
_b33
999 _c26129
_d26129