000 00288nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aOjha, Nitani Charan
245 0 _aTeaching Of Economics Concept Attainment Model
260 _aDelhi
_bGagan Deep
_c2004
300 _a206p.
942 _cBK
999 _c15387
_d15387