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020 _a9788120717473
040 _aLC
_bENG
_cLC
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050 _aQA11
_bS31
100 _q: Sidu Singh Kulbir
245 _aThe teaching of mathematics
260 _aNew Delhi
_bSterling Publishers
_cc2006
600 _2Mathematics
942 _2lcc
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999 _c19562
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