Roman. P and Colle. R (January, 2002). Development InformaticsArchived 2009-11-28 at the Wayback Machine (PDF). Institute for Development Policy Management, University of Manchester. Retrieved on October 24, 2011.
Roman. P and Colle. R (January, 2002). Development InformaticsArchived 2009-11-28 at the Wayback Machine (PDF). Institute for Development Policy Management, University of Manchester. Retrieved on October 24, 2011.