Ámbito geográfico
AFRICA, NORTH
1
ALEMANIA
1
AMÉRICA DEL SUR
1
AMÉRICA LATINA
4
ANN ARBOR
1
ARGENTINA
37
ASIA, CENTRAL
1
BRAZIL
5
BRITISH COLUMBIA
1
BUENOS AIRES (PROVINCE)
2
BUENOS AIRES (PROVINCIA)
2
CANADA
5
CARIBBEAN AREA
3
CAUCASUS
1
CENTRAL AMERICA
1
CHICAGO
1
CHILE
3
CHINA
3
COLOMBIA
1
CÓRDOBA
1
DEVELOPING COUNTRIES
1
DOMINICAN REPUBLIC
1
EFFECT OF EDUCATION ON
1
ESPAÑA
1
ESTADOS UNIDOS
15
EUROPE
1
EUROPE, EASTERN
1
EUROPEAN UNION COUNTRIES
1
FINLAND
1
FINLANDIA
1
FRANCE
2
FRANCIA
1
GERMANY
1
GRAN BRETAÑA
1
GREAT BRITAIN
7
ILLINOIS
1
JAPAN
1
JAPÓN
1
LATIN AMERICA
20
MEXICO
3
MÉXICO
2
MICHIGAN
1
MIDDLE EAST
1
MONGOLIA
1
ONTARIO
1
PARANÁ (STATE)
1
RESEARCH
1
RÍO NEGRO
1
SOUTH AMERICA
1
SPAIN
3
más ...