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#QR_code #library_science #nta_net_library_science BY VINNAY ANAND
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#Basic_Laws( Normative Principles) By SR Ranganathan UGC_NET_JRF BY VINNAY ANAND
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#RDA #Resource_description_and_access #library science #ugc_net_jrf #blis #mlis BY VINNAY ANAND
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#ISBN & #ISSN के बारे में पूरी जानकारी।//FOR UGC NET JRF // BY VINNAY ANAND
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