000 00330nam a2200145Ia 4500
005 20260205102710.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a510 P28M
100 _aPassi,I.B.S.
245 0 _aMathematics
260 _aNew Delhi
_bNCERT
_c1979
300 _a159p.
690 _aMathematics
942 _cBK
999 _c250749
_d250749