Issn ทางเลือก & คู่แข่ง
ทางเลือกและคู่แข่งของ issn.org ในแง่ของเนื้อหา การจราจร และโครงสร้าง
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DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.
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Journal impact search engine. Bioxbio.com includes the journal factors, ISSN, number of articles and other detailed information of over 11000 journals in different fields.
Impact factor Spis czasopism naukowych i ciekawe artykuły online Nauka i rozwój - Impact Factor Aktualne artykuły i poradniki na temat motoryzacji
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ScienceGate is a fast and effective way of finding, managing, and downloading scholarly articles from over 1M sources including 87K journals.
LetPub SCI论文英语润色和同行资深专家修改团队全部由以英语为母语，有长期编辑科技论文经验的编辑组成。他们来自于临床医学、生物、化学、物理、工程学 、天文学、地球与环境科学、人文社会学、商学等不同学科领域，且有丰富的SCI研究论文、领域综述的发表经验，经常获邀担任一些期刊的审稿人。
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Punktacja Czasopism Naukowych 2010-2017 Wyszukiwarka.
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Elsevier est une entreprise mondiale d'analyse de données qui aide les instituts et les professionnels de santé à faire avancer la science et à améliorer leurs performances.
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Gdzie te punkty? Przeszukiwarka wykazów czasopism naukowych i wydawnictw MNiSW i MEiN
Comprehensive workflow management systems for scholarly journals, books and conferences.
MDPI is a publisher of peer-reviewed, open access journals since its establishment in 1996.
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【80图书馆】集成了Web of Science,Pubmed,ScienceDirect,SpringerLink,IEEE,Embase,Reaxys,OVID,Scopus,ProQuest,Wiley等数百个国内外顶级科研文献数据库,一个80图书馆帐号畅享以上所有数据库,无论您身处何地都能随时查阅并下载文献,从此下载科研文献不再求人.
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EndNote is the reference manager that helps you save time formatting citations, so you can focus on your research.