000 00314nam a2200133Ia 4500
005 20251003130128.0
008 251003s9999 xx 000 0 und d
082 _a300.722
100 _aRobert K. Yin
245 0 _aCase Study Research
260 _bSage Publisher
_aNew Delhi
_c2009
300 _a219
942 _cBK
999 _c42955
_d42955