Pushpa Dhyani. (2002). Classifying with dewey decimal classification (editions 19th and 20th). Ess Ess Publications.
শিকাগো স্টাইলে সাইটেশনPushpa Dhyani. Classifying with Dewey Decimal Classification (editions 19th and 20th). New Delhi: Ess Ess Publications, 2002.
এমএলএ সাইটেশনPushpa Dhyani. Classifying with Dewey Decimal Classification (editions 19th and 20th). Ess Ess Publications, 2002.
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