000 00307cam a2200145ua 4500
041 _aeng
_h
082 _a005
_b
100 _aLal, Birdrawan .
245 _aResearch Methodology
260 _aJaipur :
_bABD Publishers ,
_c2002.
300 _a ; .
504 _a
942 _cBK
999 _c12918
_d12918