المنطقة
Mexico
33
México
32
United States
18
Spain
7
Canada
4
España
4
USA
4
Cuba
3
Andes Region
2
États-Unis
2
Great Britain
2
Latin America
2
Poland
2
Alemania
1
América Latina
1
Argentina
1
Arica (Chile : Department)
1
Arica (Department)
1
California
1
Chile
1
Colombia
1
Eastern Europe
1
Europe
1
Europe de l'Est
1
Europe, Eastern
1
Florida
1
Germany
1
Huesca (Province)
1
Ingeniería civil
1
Jerez de la Frontera (Spain)
1
Ohio
1
Patagonia (Argentina and Chile)
1
Resolución de problemas
1
Romania
1
Segre (España, Valle)
1
SpainzHuesca (Province)
1
Toledo
1