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Netherlands
16
Water Framework Directive
16
Aquatic Science
8
Biochemistry
8
Ecology
8
Geography
8
Goal attainment
8
Implementation
8
Planning and Development
8
Water Science and Technology
8
Water quality assessment
8
ecology
8
goal attainment
8
implementation
8
water quality assessment
8
Hydraulic engineering
4
TC1-978
4
TD201-500
4
Water supply for domestic and industrial purposes
4