paper presented to the 32nd WEDC International Conference on “Sustainable Development of Water Resources, Water Supply and Environmental Sanitation” Colombo, Sri Lanka, November 2006
paper presented to the 33rd WEDC International conference on “ Access to sanitation and safe water: Global partnerships and Local Actions” Accra, Ghana, 2008 – (Co-author)
(A GIS System for the Management of water supply in Afghanistan) published on Mondo GIS, Italy – n. 47 – April 2005
presented to the conference on “Water Quality – Arsenic Mitigation” in Taiyuan – Shanxi Province – People’s Republic of China on 23 – 26 November 2004.
contributor and reviewer) 1st trial edition – Global WASH Cluster, January 2009