Economic conditions Social conditions Condiciones económicas 259 Social sciences 214 Ciencias sociales 172 Condiciones sociales 172 Agricultura 88 Desarrollo sostenible 88 Indians of Mexico 88 Indios de México 88 Sustainable development 88 Traditional farming 88 Economía 38 Publicaciones periódicas 26 Economic history 23 Politics and government 8 Conditions e ́conomiques 5 Conditions sociales 4 ECONOMIC CONDITIONS 2 Economic policy 2 History 2 POLITICAL CONDITIONS 2 SOCIAL CONDITIONS 2 30.30 exact sciences in relation with other scientific and cultural areas 1 74.21 geography of Asia 1 ASIA 1 African Americans 1 Asia 1 Asien 1 Boundaries 1