Here is the latest Impact Factor 2021 provided by the Journal Citation Report (JCR). It contains over 12000 Journals. JCR was earlier published as Science Citation Index, and now it is published by Clarivate Analytics, a Web of Science Group. Impact Factor (IF) or often called journal impact factor (JIF) is an index provided by an analytics company named Clarivate. The impact factor is calculated by dividing the number of times the articles are cited in the last two years by the total number of publications in those two years.
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