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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.
A DOI is a type of Handle System handle, which takes the form of a character string divided into two parts, a prefix and a suffix, separated by a slash.. prefix/suffix. The prefix identifies the registrant of the identifier and the suffix is chosen by the registrant and identifies the specific object associated with that DOI.
an academic journal article written two years ago that examines the diary, and; an encyclopedia entry written last year, based on both the book and the journal. Both the proclamation and the diary are primary sources. These primary sources have advantages: they were written at the time, and so are free of the opinions and fictions imposed by ...
Peer-reviewed medical journals are a natural choice as a source for up-to-date medical information in Wikipedia articles. Journal articles come in many different types, and are a mixture of primary and secondary sources. Primary publications describe new research, while review articles summarize and integrate a topic of research into an overall ...
The process of indexing begins with any analysis of the subject of the document. The indexer must then identify terms which appropriately identify the subject either by extracting words directly from the document or assigning words from a controlled vocabulary. [1] The terms in the index are then presented in a systematic order.
Such a paper, also called an article, will only be considered valid if it undergoes a process of peer review by one or more referees (who are academics in the same field) who check that the content of the paper is suitable for publication in the journal. A paper may undergo a series of reviews, revisions, and re-submissions before finally being ...
A bibliographic database is a database of bibliographic records.This is an organised online collection of references to published written works like journal and newspaper articles, conference proceedings, reports, government and legal publications, patents and books.
ISSN is not unique when the concept is "a journal is a set of contents, generally copyrighted content": the same journal (same contents and same copyrights) may have two or more ISSN codes. A URN needs to point to "unique content" (a "unique journal" as a "set of contents" reference).