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020 _a8173910626
_c475
040 _aMAIN
041 _aEnglish
082 _a020
_bSHA
100 _aSharma, J. B.
245 _aLibrary science
_bConcept and techniques
260 _aDelhi
_bKanishka publishers
_c1995
300 _a378p.
650 _aLibrary science
942 _cBK
999 _c32716
_d32716