000			00371 a2200157 4500
020			_a0761973699
082			_a300.72 _bBLA
090			_c1259 _d1456
100			_aBlack, Thomas R.
245			_aUnderstanding social science research
250			_a2nd ed.
260			_aLondon _bSAGE _c2002 _g2002
300			_aix,272p. _c24cm
650			_aSocial Sciences
942			_cSR
999			_c30409 _d30409