000 00310nam a2200145Ia 4500
100 _aMcBurney, Donald H.
020 _a81-315-0210-4
365 _b321
942 _cBK
654 _a
245 _aResearch methods
260 _aNew Delhi
_bThomson Wadsworth
_c2007
082 _a001.42
300 _bPb
_a441
999 _c344425
_d344425
041 _aeng