1. A ladder of citizen participation;Arnstein;Journal of the American Institute of Planners,1969
2. Participatory Policy Analysis and Group Support Systems;Bongers,2000
3. Public participation, GIS, and cyberdemocracy: evaluating on-line spatial decision support systems;Carver;Environment and Planning. B, Planning and Design,2001
4. Bowling Together: Online Public Engagement in Policy Deliberation;Coleman,2001
5. Compram, a method for handling complex societal problems;DeTombe;European Journal of Operational Research,2001