9.1
The library of congress is the subject based classifying and arranging items by the subject matter involved.
Dewey decimal classification is the number use to represent the subject to identifies the category or subject of books in the library system
9.2 LINKS
- the library of congress website.http://www.loc.gov/index.html
- British library,
http://www.bl.uk/
- Thai national library,
http://www.nlt.go.th/
- Sripatum university Library,
http://library.spu.ac.th/e-library/index4.html
- ASEAN community website,
http://www.asean.org/