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Note: OJS 2 reached its end of life in 2021, its latest release was the version 2.4.8-5, released in May 2019. [12] When upgrading from the version 2.x to 3.x, some care must be taken given that several features have been added and removed, especially if the installation has hand-made customizations.
The AEA maintains EconLit, a searchable data base of citations for articles, books, reviews, dissertations, and working papers classified by JEL codes for the years from 1969. A recent addition to EconLit is indexing of economics journal articles from 1886 to 1968 [ 1 ] parallel to the print series Index of Economic Articles .
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This is a list of open-access journals by field. The list contains notable journals which have a policy of full open access. It does not include delayed open access journals, hybrid open access journals, or related collections or indexing services.
The Vancouver system, also known as Vancouver reference style or the author–number system, is a citation style that uses numbers within the text that refer to numbered entries in the reference list.
Library Genesis (shortened to LibGen) is a shadow library project for file-sharing access to scholarly journal articles, academic and general-interest books, images, comics, audiobooks, and magazines.
Online referral marketing is the internet-based, or Software as a Service (SaaS) approach, to traditional referral marketing. By tracking customer behavior online through the use of web browser cookies and similar technology, online referral marketing can potentially increase brand awareness, referrals and, ultimately, revenue.
In sociology and statistics research, snowball sampling [1] (or chain sampling, chain-referral sampling, referral sampling [2] [3]) is a nonprobability sampling technique where existing study subjects recruit future subjects from among their acquaintances. Thus the sample group is said to grow like a rolling snowball.