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008 260111s9999||||xx |||||||||||||| ||und||
082 _a510 C455M
100 _aChopra,S.D.
245 0 _aMathematics
260 _aNew Delhi
_bNCERT
_c1985
300 _a326p.
690 _aMathematics
942 _cBK
999 _c248614
_d248614