000 00662nam a2200301Ia 4500
005 20260127112915.0
008 008 260114s9999 xx 000 0 eng d
020 _a521676568
037 _aTextbook
040 _aPSDL
040 _beng
040 _cPSDL
041 _2eng
041 _aeng
084 _aW:Σ P7
084 _qPSDL
100 _aGerring, John
_91108001
245 0 _aCase Study Research
245 0 _cGerring, John
260 _aNew York
260 _bCambridge University Press
260 _c2007
300 _a265p.
942 _cTB
942 _hW:Σ P7
999 _c1673050
_d1673050