Pushpa , D. (2006). DDC classifying with dewey decimal classification editions 19th and 20th). Ess Ess.
Chicago Edition CitationPushpa , Dhyani. DDC Classifying with Dewey Decimal Classification Editions 19th and 20th). New Delhi: Ess Ess, 2006.
Deismireacht MLAPushpa , Dhyani. DDC Classifying with Dewey Decimal Classification Editions 19th and 20th). Ess Ess, 2006.
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