http://www.indexcopernicus.com | Multidisciplinary |
www.ajol.info | African Journal Online |
www.africanjournalseries.com | |
www.devconsortservices.com.ng | |
www.doaj.org | Directory of open access journals |
www.sabinet.co.za | South African Journal |
www.oajse.com | Open Access Journal Search Engine |
www.lub.lu.se/en.html | Lund university |
www.dovepress.com | Free Scientific and Medical Materials |
www.copernicus.org | Access & Publication |
www.kb.se/hjalp/english | National Library of Sweden |
www.scrip.org/journal | Open Access Scientific Journal |
www.openj-gate.org | Connecting Repositories (IS/CS) |
www.core.kmi.open.ac.uk/search | |
www.eric.ed.gov | Education Resource Information Center |
www.searchteam.com | Online Search and Collaboration |
www.worldwidescience.org | Research and Academic Collaboration |
www.nber.org | National Bureau of Economic Research |
www.philpapers.org | Philosophy Papers |
http://arxiv.org | Cornell University (Sciences) |