000 00281nam a2200133 4500
020 _a9788120324527
082 _a001.42 PAN
100 _aPaneerselvam R.
245 _aResearch Methodology
260 _aNew Delhi
_bPHI
_c2011
300 _a638
650 _aKnowledge
942 _cBK
999 _c6942
_d6942