Beall’s List of Predatory Publishers and Journals
Potential, possible, ou probable predatory open-access publishers and scholarly open-access journals.
Potential, possible, ou probable predatory open-access publishers and scholarly open-access journals.
| Library of Digital Books Integrated into the National Reading Plan. |
National Library of Portugal | |
| BOOKBOON Bookboon.com publishes free and openly available eBooks for students and business professionals. The books can be downloaded in PDF without registration. Cover the areas of Economics, Statistics, Computing, Engineering and Natural Sciences. |
Diaries of the Republic I, II Series online for free |
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| Cabinet of Planning and Policies of the Ministry of Agriculture, Sea Environment and Territorial Order Information System of Agricultural Markets |
Eigenfactor Identifies the most influential magazines. Data provided by Thomson Reuters (JCR) |
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| Journal M3trics Measures the impact per article (Source Normalized Impact per Paper - SNP and the Scimago Journal Rank (SJR) to measure the performance of a scientific journal |
SCImago Journal Rank Periodicals included in SCOPUS indicating the impact factor or prestige |
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| SCIMAGO - Research Group This group aims to create analytical tools to help institutions monitor and evaluate their research results. |
Scholar Google Academic portal that allows specific search for articles, books, theses, citations. |
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| SCHOLARPEDIA Similar to Wikipedia, but each article is validated by two per-reviews. |
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Pordata – Database of Contemporary Portugal Here you will find thousands of statistics and indicators on various aspects of the Portuguese reality |
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Zotero - Reference Manager Software A Research tool that it is also a bibliographic referencing. Organizes and analyzes the sources and shares the results of the research |
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Mendeley - Reference Manager Software Mendeley is a free application that manages references. It is composed by a desktop component and web that allows synchronization of your online scientific articles and also between computers. It’s available in all platforms (Win, Linux, Mac), it allows an easy organization of your documents through the analysis of PDF files and extracting of the information contained. Making it easy to search in real time from your library, taking notes, adding tags, etc. |
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Docear – The Academic Literature Suite Docear is a free application for Windows, Linux and MacOSX |
