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  2. JEL classification code - Wikipedia

    en.wikipedia.org/wiki/JEL_classification_code

    Articles in economics journals are usually classified according to JEL classification codes, which derive from the Journal of Economic Literature.The JEL is published quarterly by the American Economic Association (AEA) and contains survey articles and information on recently published books and dissertations.

  3. Universal Decimal Classification - Wikipedia

    en.wikipedia.org/wiki/Universal_Decimal...

    The Universal Decimal Classification (UDC) is a bibliographic and library classification representing the systematic arrangement of all branches of human knowledge organized as a coherent system in which knowledge fields are related and inter-linked.

  4. Lists of academic journals - Wikipedia

    en.wikipedia.org/wiki/Lists_of_academic_journals

    This page was last edited on 13 November 2024, at 12:52 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  5. Dewey Decimal Classification - Wikipedia

    en.wikipedia.org/wiki/Dewey_Decimal_Classification

    A library bookshelf in Hong Kong classified using the New Classification Scheme for Chinese Libraries, an adaptation of the Dewey Classification scheme. The Dewey Decimal Classification (DDC) (Dewey pronounced: /do-e/), colloquially known as the Dewey Decimal System, is a proprietary library classification system which allows new books to be added to a library in their appropriate location ...

  6. TNM staging system - Wikipedia

    en.wikipedia.org/wiki/TNM_staging_system

    The TNM Classification of Malignant Tumors (TNM) is a globally recognised standard for classifying the anatomical extent of the spread of malignant tumours (cancer). It has gained wide international acceptance for many solid tumor cancers, but is not applicable to leukaemia or tumors of the central nervous system.

  7. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

  8. List of PDF software - Wikipedia

    en.wikipedia.org/wiki/List_of_PDF_software

    As with Adobe Acrobat, Nitro PDF Pro's reader is free; but unlike Adobe's free reader, Nitro's free reader allows PDF creation (via a virtual printer driver, or by specifying a filename in the reader's interface, or by drag-'n-drop of a file to Nitro PDF Reader's Windows desktop icon); Ghostscript not needed. PagePlus: Proprietary: No

  9. Unified Soil Classification System - Wikipedia

    en.wikipedia.org/wiki/Unified_Soil...

    The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil.The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol.