Links:
[1] http://www.hydroex.gr/services/design
[2] http://www.hydroex.gr/design-stage/feasibility-study
[3] http://www.hydroex.gr/design-stage/final-design
[4] http://www.hydroex.gr/expertise/environmental
[5] http://www.hydroex.gr/expertise/hydrology
[6] http://www.hydroex.gr/expertise/water-resources-management