000 00328nam a22001337a 4500
020 _a9780761953470
050 _aH 61
_b.D3375
100 _aDe Vaus David
245 _aResearch Design in social Research
260 _aLondon
_bSAGE
_c2001
300 _axvii,279p.
650 _aSocial Siences-research methodology
942 _cBK
999 _c37739
_d37739