000 00250nam a22001097a 4500
999 _c338896
_d338896
020 _a9788189005283
082 _a001.42
_bCHA.R
100 _aDebashis Chakraborty
245 _aResearch Methodology
260 _aNewDelhi
_bSaurabh
_c2009
942 _cBK