SUBJECT
Congresses
Mathematical models
Electronic books
13
Economics
6
City planning
5
Economic policy
5
Data processing
4
Equilibrium (Economics)
4
Power resources
4
Transportation
4
Urban economics
4
Choice of transportation
3
Control theory
3
Economic development
3
Hydraulic engineering
3
Planning
3
Pollution
3
Regional planning
3
Urban transportation
3
Agriculture
2
Biology
2
Chemistry
2
Commercial policy
2
Design and construction
2
Econometrics
2
Economic aspects
2
Economics, Mathematical
2
Environmental aspects
2
Game theory
2
Hydraulic models
2
Indoor air pollution
2
Interindustry economics
2
Motor vehicles
2
Motors
2
Social sciences
2
Solution (Chemistry)
2
Statistical methods
2
Traffic engineering
2
Traffic estimation
2
AIDS (Disease)
1
Agriculture and state
1
Agricultute
1
Air
1
Alloys
1
Atmospheric physics
1
Automobiles
1
Automotive Engineering
1
Bayesian statistical decision theory
1
Biological models
1
Biomathematics
1
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