Ámbito geográfico
UNITED STATES
22
ARGENTINA
20
LATIN AMERICA
13
ESTADOS UNIDOS
7
GREAT BRITAIN
7
AMÉRICA LATINA
5
CARIBE
4
FRANCE
4
FRANCIA
4
MEXICO
3
SPAIN
3
COLOMBIA
2
DEVELOPING COUNTRIES
2
AMÉRICA
1
AMÉRICA CENTRAL
1
ASIA
1
CARIBBEAN AREA
1
CHILE
1
EFFECT OF EDUCATION ON
1
ESPAÑA
1
ESPAÑA
1
EUROPE
1
EUROPEAN UNION COUNTRIES
1
GRAN BRETAÑA
1
INDIA
1
JAPAN
1
LUJÁN
1
MÉXICO
1
NEUQUÉN (PROVINCE)
1
ONTARIO
1
PERU
1
SALTA
1
SINGAPORE
1
SRI LANKA
1
TORONTO
1
ÁFRICA
1