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The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science. As a journal-level metric, it is frequently used as a proxy for ...
While these journals still did not receive an impact factor until the next year, they did contribute citations to the calculation of other journals' impact factors. [ 4 ] [ 5 ] In July 2022, Clarivate announced that journals in the ESCI obtain an impact factor effective from JCR Year 2022 first released in June 2023.
In any given year, the CiteScore of a journal is the number of citations, received in that year and in previous three years, for documents published in the journal during the total period (four years), divided by the total number of published documents (articles, reviews, conference papers, book chapters, and data papers) in the journal during the same four-year period: [3]
The impact factor (IF) or journal impact factor (JIF) of an academic journal is a scientometric index calculated by Clarivate that reflects the yearly mean number of citations of articles published in the last two years in a given journal, as indexed by Clarivate's Web of Science.
The journal is abstracted and indexed in Index Medicus/MEDLINE/PubMed, [1] BIOSIS Previews, and the Science Citation Index Expanded. [2] According to the Journal Citation Reports, the journal has a 2012 impact factor of 0.409. [3]
The Journal of the Chemical Society of Pakistan is a bimonthly peer-reviewed scientific journal covering the field of chemistry. It is published by the Chemical Society of Pakistan and was established in 1978. The editor-in-chief is Muhammad Iqbal Bhanger (University of Karachi).
The Pakistan Journal of Pharmaceutical Sciences is a bimonthly peer-reviewed open access medical journal covering pharmaceutical sciences. It was established in 1988 and is published by the Faculty of Pharmacy, University of Karachi. The editor-in-chief is Iqbal Azhar (University of Karachi).
According to Journal Citation Reports, the journal has a 2022 impact factor of 9.4. [1] PNAS is the second most cited scientific journal, with more than 1.9 million cumulative citations from 2008 to 2018. [2] In the past, PNAS has been described variously as "prestigious", [3] [4] "sedate", [5] "renowned" [6] and "high impact". [7]