H. Wihuri, Snel, M., and Wartiovaara, J., “Review of the Finnish water sector development co-operation : meeting the goals of the 21st century. Volume II. Water resources ”. IRC, Delft, The Netherlands, p. 19 p. , 2004.

H. Wihuri, Snel, M., and Wartiovaara, J., “Review of the Finnish water sector development co-operation : meeting the goals of the 21st century. Volume 1. Water demand”. IRC, Delft, The Netherlands, p. 121 p. , 2004.

H. Wihuri, Snel, M., and Wartiovaara, J., “Background paper for "Challenges of international goals in the water sector"”. IRC, Delft, The Netherlands, p. 6 p., 2003.

J. Butter, Beyene, A. A., Yimer, A. T., Amare, A. M., Hassen, A. M., and Wihuri, H., “National water supply and sanitation master plan : environmental support project, component 3 : national sanitation awareness workshop : workshop report”. DHV, Amersfoort, The Netherlands, p. 11 p. + 77p. annexes : tab., 2002.

H. Wihuri, “Privatisation of water services, helpful or hopeless?”, in 5th international congress "water: ecology and technology": ecwatech-2002: congress abstracts, Moscow 4 - 7 June 2002, Delft, The Netherlands, 2002, p. 2 p.

H. - A. T. Azzani, Wihuri, H., and N. Khatib, al, “Evaluation of Save the Children water and sanitation/environmental health programmes in the north and south of the West Bank and Gaza : 17 November - 16 December, 1997 : evaluation report”. IRC, The Hague, The Netherlands, p. ii, 46 p. : tab., 1998.

R. N. Middleton, Boesveld, M., and Wihuri, H., “Review of phase I and phase II of Regional Water Supply and Sanitation Project in Beni Suef Governorate : report of the review and appraisal mission”. IRC, The Hague, The Netherlands, p. iv, 41p. + annexes (74 p.), 1996.

H. Wihuri, “Water, sanitation and environment : exposure visit and seminar : 3 - 14 October 1994 : objective, methodology, programme and material : descriptive report”. IRC, The Hague, The Netherlands, p. ca. 500 p.: fig., maps, tab., 1994.

H. Wihuri, “Water supply and sanitation in Bulgaria, the Czech Republic, Romania and the Slovak Republic : final report”. IRC, The Hague, The Netherlands, p. iv, 60 p. + annexes (5 p.), 1994.