1. Barnes, R. and Ashbolt, N. J. Review of Decision Tools and Trends for Water and Sanitation Development Projects. paper presented at the 2006 32nd WEDC Conference on Sustainable Development of Water Resources, Water Supply and Environmental Sanitation, Water, Engineering and Development Centre (WEDC). November13–17, Colombo.
2. Barnes, R. and Ashbolt, N. J. Decision-making for Sustainable Water and Sanitation Development Projects: A Case Study in Rural Philippines. paper presented at the 2007 Conference on Water Management and Technology Applications in Developing Countries, International Water Association. May14–16, Kuala Lumpur.