000 00265nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aYadav, D.S.
245 0 _aResearch Methodology
260 _aNew Delhi
_bGreen Leeaf Books
_c2010
300 _a315p.
942 _cBK
999 _c15097
_d15097