000 00403cam a22001337a 4500
008 180718b2001 xxu||||| |||| 00| 0 eng d
020 _a0521805139
082 _aB084 G224
100 _aGerring, John
245 _aSocial science methodology: a criterial framework
_cby John Gerring
260 _aCambridge
_bCambridge University Press
_c2001
300 _a300p.
650 _aSocial sciences - Methodology
999 _c400212
_d400212