1. Efficiency of water-supply and sanitation projects in Ghana;Akosa;Journal of Infrastructure Systems, ASCE,1995
2. Assessing performance bench marking;Andrews;Journal of AWWA,1999
3. Accountability for performance: measurement and monitoring in local government;Ammons,1995
4. Municipal Benchmarks: Assessing Local Performance and Establishing Community Standards;Ammons,2001
5. AWWA Webcast, Regional Cooperation: What it Means and Making it Work, Oct 3, 2007.