000 00315nam a2200133Ia 4500
041 _aEN
082 _a001.42
_bRAY
100 _aRay, G.L .
245 0 _aResearch Methods in Social Sciences and Extention / G.L.Ray.
250 _a3rd /
260 _bBangalore : Kalyani ,
_c2011
300 _a330
942 _cBK
999 _c29311
_d29311