Author
El Salvador. Dirección General de Estadística
2
Institut national de la statistique et des études économiques (France)
2
Karnataka (India). Directorate of Employment and Training
1
Karnataka (India). State Employment Market Information Unit
1
League of Nations. Health Organization
1
Nationalsozialistische Deutsche Arbeiter-Partei
1
Puerto Rico. Bureau of Economics and Statistics. Sección de Indices Económicas
1
Puerto Rico. Economic Development Administration. Office of Economic Research
1