Trabajo 31 Naciones Unidas 14 Economics 11 Business & Economics 8 Industry and Services 8 Education 7 Governance 6 Humanidades 5 Social Issues/Migration/Health 5 Law, Politics & Government 4 Social Sciences 4 Agricultural Economics 3 Agriculture and Food 3 Finance and Investment 3 Government - General 3 Historia 3 OTAN 3 Political Institutions & Public Administration - General 3 Agriculture 2 Agriculture and state 2 Canal de distribución 2 Derecho laboral internacional 2 Economic aspects 2 Educación 2 Informática 2 Management 2 Management Styles & Communication 2 Organización Internacional del Trabajo 2 Public administration 2 Taxation 2