000 00348nam a2200145Ia 4500
008 210212s9999||||xx |||||||||||||| ||und||
020 _a81-7541-486-0
072 _aEdu
082 _a370.1H Tri.Q
100 _aAggarwal,J C
245 0 _aShiksha manovigyan
260 _c2010
_bShipra Publication
_aNew Delhi
300 _a300p.
942 _cSU
999 _c172758
_d172758