1. Paraguay Impact Evaluation Report: Community-Based Rural Water Systems and the Development of Village Communities;Gabrielle As;Environment Department Papers Participation Series,1995
2. In doing so, it builds on the survey instruments and evaluation approaches for water projects found in Deepa Narayan;The Contribution of People's Participation
3. Does Participation Improve Performance?: Establishing Causality with Subjective Data;Jonathan Isham;World Bank Economic Review,1995