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Online Databases


Classified Subject Guide and Index: Science


LEVEL: 20123456789
9          
8          
7          
6          
5
Methodologies
         
4          
3
Theoretical
         
2          
1          
0
Science
         


[See also Volume 3: Subjects of the Yearbook of International Organizations. Detailed information about UIA's subject system can be found here.]


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