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Ecology
Environnement
E ́cologie
6
Protection
4
Ecologie
3
Environment
3
Environmental policy
3
Politique gouvernementale
3
Conservation
2
Conservation of natural resources
2
Ecologi ́a
2
Environmental protection
2
Nature
2
Publicaciones perio ́dicas
2
Zeitschrift
2
43.30 environmental and nature policy: general
1
Aspect e ́conomique
1
Aspect religieux
1
Aspectos econo ́micos
1
Citizen participation
1
Community-Institutional Relations
1
Computer Simulation
1
Computer programs
1
Computer simulation
1
Computer software
1
Conservacio ́n de los recursos naturales
1
Conservation de la nature
1
Conservation des ressources naturelles
1
Data processing
1
Digital computer simulation
1
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