
Kumar, S.: From reference service to information retrieval (1992)
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Kumar, K.: Distinctive contribution of Ranganathan to library classification (1992)
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Kumar, G.: S.R. Ranganathan : an intellectual biography (1992)
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Kumar, K.: Theory of classification (1989)
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Kumar, K.: Theoretical bases for universal classification systems (1982)
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Ranganathan, S.R.: Colon Classification (Sixth Edition) (2007)
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Sharma, P.S.K.: Colon Classification made easy (2000)
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Satija, M.P.; Singh, J.: Colon Classification (CC) (2009)
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Satija, M.P.: Colon Classification (CC) (2017)
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Singh, S.: Colon Classification practice (1996)
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