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1. scholar.google.comGoogle Scholar

   scholar.google.com

   Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

   • Select Courts

     Select Courts - Google Scholar

   • Scholar

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   • ‪Juner Zhu‬

     ‪Northeastern University‬ - ‪‪Cited by 3,089‬‬ - ‪Applied...

   • Citations

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   • Settings

     Settings - Google Scholar

   • ‪Ronald C Kessler‬

     ‪McNeil Family Professor of Health Care Policy, Harvard...

   • Metrics

     Google Scholar Citations lets you track citations to your...

   • ‪Seyedali Mirjalili‬

     ‪Professor, Torrens University Australia, Obuda University,...

2. paperpile.com › g › google-scholar-guideHow to use Google Scholar: the ultimate guide - Paperpile

   paperpile.com › g › google-scholar-guide

   • Αποθηκευμένο αντίγραφο

   Paperpile integrates with Google Scholar and many popular academic research engines and databases, so you can save references and PDFs directly to your library using the Paperpile buttons and later cite them in thousands of citation styles:

3. pdfguru.com › edit-pdfEdit PDF Files - Powerful Online PDF Editor - PDF Guru

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   Hit the + button or drag & drop your document into the upload area. Edit your PDF file: add text, shapes, or annotations. Click 'Download' and choose your desired format. Trusted and certified by industry leaders. Why choose our tool to edit PDF documents. Edit and add text.

4. pdfcandy.com › edit-pdfPDF Editor – Edit Your PDF Online for Free - PDF Candy

   pdfcandy.com › edit-pdf

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   Edit PDF files with a feature-rich toolbar. Add images by URL or from your device to PDF documents, add text to the PDF with a “Text tool”, and do much more with our free PDF editor.

5. smallpdf.com › edit-pdfPDF Editor | Edit Your PDFs with Free Online PDF Editor -...

   smallpdf.com › edit-pdf

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   How To Edit a PDF File Online for Free. Import or drag & drop your PDF file to our editor. Add text, images, shapes, markups, and e-signatures as desired. Organize document pages if needed. Click to “Export” your file as a PDF or other file type. Download your edited PDF when ready—that’s it!

6. online.visual-paradigm.com › online-pdf-editor › edit-pdfFree PDF Editor - Easy to Edit and Share - Visual Paradigm

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   Edit PDF files online with the ultimate all-in-one PDF document solution. You can also edit the text within scanned content with our PDF OCR technology. Let's upload your PDF and have a try.

7. www.sejda.com › pdf-editorEasy to use Online PDF editor - Sejda

   www.sejda.com › pdf-editor

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   Free, no watermarks or registration. Edit PDF files for free. Fill & sign PDFs. Change existing text and links. Find & replace text. Whiteout. Add text, images, links and annotations.