Search engines specialized in scientific and academic research

 


1

 Google Scholar  

2

 ERIC

3

 The Virtual LRC

4

z-lib.org 

5

 JURN

6

 Microsoft Academic 

7

 Library of Congress

8

 Cite SeerX

9

 Refseek

10

 Science Direct

11

 free-ebooks.net

12

 manybooks.net

 

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