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037 _bCen Lib/Ret
040 _aDPL
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082 _a500
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245 _aScience and technology :
_cedited by N. N. Ojha
_ban asset to arouse a scientific temerament among the masses along with the aspirants of civil services and different state examinations /
260 _aU.P.
_bChronicle Books
_c2008
270 _aA-26, Sector-2
_bNoida
_e201301
300 _a547p.
_c21cm(pbk)
650 _aScience and technology
_94703
650 _aScience and technology -- India
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942 _2ddc
_cEN
_h500
_mSCI
999 _c134393
_d134393