Lun, 26/05/2003 / Mié, 28/05/2003

International Water Association (IWA)

Mar, 25/03/2003 / Mar, 25/03/2003

AGHTM - Association Générale des Hygiénistes Ù Techniciens Municipaux

Sáb, 01/11/2003 / Sáb, 08/11/2003

Sáb, 11/10/2003 / Mié, 15/10/2003

Water Environment Federation

Mar, 23/09/2003 / Jue, 25/09/2003

Superintendecia de Servicios Sanitarios; Banco Interamericano de Desarrollo

Mié, 19/11/2003 / Sáb, 22/11/2003

University of Manitoba (Canada); Ukrainian State University of Chemical Technology (Ucrania); Dnepropetrovsk Municipal Administration (Ucrania)

Lun, 27/10/2003 / Mar, 28/10/2003

European Commission, Directorate-General for the Environment, Water, the Marine and Soil Unit

Mar, 01/06/2004 / Vie, 04/06/2004

International Water Association (IWA)

Mié, 12/05/2004 / Vie, 14/05/2004

European Desalination Society -EDS; SIG Services Industriels de Genève

Mar, 03/08/2004 / Vie, 06/08/2004

University of Botswana