000 00277nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aAggarwal, J.C.
245 0 _aBasic Ideas In Education 3rd Revised Edition
260 _aDelhi
_bShipra
_c2009
300 _a236p.
942 _cBK
999 _c12788
_d12788