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020 _a0-7069-8638-5 (pbk)
090 _aZ696 KUM
100 1 _aKumar K.
245 1 0 _aTheory of classification
260 _aNew Delhi: UBS, 1979
650 1 _aLibrary Science
_bClassification
907 _a.b10255175
_b26-04-08
_c26-04-08
003
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040 _cNUST
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