000 00339nam a2200157Ia 4500
100 _aSingh,Y K & Bajpai, R B
080 _a307.2 Sin/Baj
526 _dNTB
526 _aPG
366 _f20
942 _cBK
245 _aResearch methodoloty : data presentation
260 _aA P H
_bNew Delhi
_c2014
300 _ax,246
546 _aE
999 _c72233
_d72233