000 00254nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSharma, R.N.
245 0 _aEducational Psychology
260 _aDelhi
_bSurjeet
_c2007
300 _a344p.
942 _cBK
999 _c12012
_d12012