Appeal of OA journals about the same in the North and the South 12 January 2009
Tove Faber Frandsen, Attracted to open access journals: a bibliometric author analysis in the field of biology, Journal of Documentation, January 2009.
Only this abstract is free online from the journal site, but also see the self-archived preprint.
This is a discussion on open access in developing countries. There are some differences of opinion explored here.