000 00442nam a2200157Ia 4500
008 210719s1975 xx 000 0 und d
041 _aeng
082 _a510 NATM
100 _aNATIONAL COUNCIL OF EDUCATIONAL RESEARCH & TRAINING
245 _aMathematics: a textbook for secondary schools. P.1
260 _aND
_bNCERT
_c1975
300 _axvii,368
_bPB
365 _b8
_cRs
650 _aMathematics
906 _aNCERT maths for class IX
999 _c212908
_d212908