ADDCN - E_resources
- OARE(Online Access to Research in the Environment) - http://www.oaresciences.org
- American Marketing Association - http://www.extenza-eps.com
- UNESCO-EOLSS - http://www.eolss.net
- Beech Tree Publishing - http://www.ingentaconnect.com/content/beech
- CABI Compendia - http://www.cabi.org/compendia
- HINARI - http://ww.who.int/hinari/en
- AGORA - http://ww.aginternetwork.org/en
- Springer Link - http://www.springerlink.com
- Oxford University Press - http://www.oxfordjournals.org
- Institute of Physics Publishing - http://www.iop.org/EJ
- MCB Emerald - http://www.emeraldinsight.com
- EBSCO Host - http://search.epnet.com
- Blackwell-Synergy - http://ww.blackwell-synergy.com