Online Resources

There're so many online Resources which you can visit to find information of choice!
Here are some examples

Ebscohost
Springerlink
LexisNexis
Scholar google
Net Library
Science Direct
National Bureau of Economic research (NBER)
Directory of Open Access Journals (DOAJ)
Archive of African Journals (Including Pula Journal)
BioMedCentral
MathSciNet (Mathematical Reviews)
BIoOne

If you want some e books visit the following website.

http://www.openculture.com/free_ebooks