000 00265nam a2200121Ia 4500
008 230321s9999 xx 000 0 und d
082 _a372.7
_bIGN
100 _aIGNOU
245 0 _aTeaching of Mathmatics V-2
260 _bIGNOU
_c2008
300 _a103
942 _cBD
999 _c3773
_d3773