000 00307cam a2200133ua 4500
020 _a8170336538
082 1 4 _a001.42
_bRAM/R
100 1 _aRam,Ahuja
245 1 0 _aResearch methods
260 _aNew Delhi :
_bRawat Publications ,
_c2001.
300 _a454p ;
650 0 _aResearch methods
942 _cBK
999 _c69327
_d69327