000 00485nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a300.72
_bB658
100 _aBlum Milton L
245 _aData gathering
_bexperimental methods plus
260 _aNew York
_bHarper & Row
_c1986
300 _ax,324p.
650 _aSocial sciences-research-methodology
650 _aSocial surveys
700 _aFoos Paul W
_4Auth.
942 _cBK
999 _c5817
_d5817