I have several suggestions:

#1
Making a Difference: Measuring the Impact of Information on
Development
http://www.idrc.ca/acb/showdetl.cfm?&DID=6&Product_ID=539&CATID=15

#2
The Electronic Journal on Information Systems in Developing
countries:
Volume 5: the aim of this special issue is to emphasize the
significance and role of information and communication technologies in
health care in developing countries.
--The six articles in this special issue seek to address this
extremely challenging question: how do we apply ICTs in effective ways
such that they contribute meaningfully to socio-economic development
processes?
Introduction in pdf
http://www.is.cityu.edu.hk/ejisdc/vol5/v5-Introduction.pdf
--full issue
http://www.is.cityu.edu.hk/ejisdc/vol5.htm

#3
IDRC Report Promotes a Social Vision of the Internet in Latin America

--May 29, 2001 Internet projects in Latin America and
   the Caribbean need to go beyond connectivity and technology to
make
   meaningful contributions to development, say the authors of a new

   report on the Internet and development. The Internet . . . Why and

   What For? lays out a social vision for the Internet in Latin
America,
   provides some lessons to achieve this vision, and states what
   different projects need to do to meet coming challenges.

http://www.idrc.ca/reports/read_article_english.cfm?article_num=964

#4
and then I would suggest making your way to http://www.bellanet.org