000 00257nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aSingh, Y.K.
245 0 _aTeaching Of Social Studies
260 _aNew Delhi
_bAPH
_c2008
300 _a296p.
942 _cBK
999 _c14453
_d14453