000 00285nam a2200109Ia 4500
008 240521s2009 xx 000 0 und d
041 _aeng
100 _aSIMONS HELEN
245 _aCASE STUDY RESEARCH IN PRACTICE.
260 _bSAGE PUBLISHING INC.,AMERICA,U.K
_c2009
300 _a189
999 _c1162876
_d1162876