000			00317nam a2200121 4500
082			_a001.42 _bVER/R
100			_aVerma, R K _aVerma, Gopal.
245			_aResearch methodology. _cR K Verma.
260			_aDelhi : _bCommonwealth Publishers, _c1989.
300			_a197p. :
650			_aResearch methodology.
942			_cBK
999			_c511118 _d511118