000 00320nam a2200145 4500
082 _a300.72 SIN-M
100 _aSingh, R A P
245 _aMethods in social research
250 _a
260 _aJaipur
_bPrintwell Publishers
_c1990
300 _a
490 _a
650 _aSocial science research
942 _cBK
999 _c596599
_d596599