États (2) Paris (1) Mali (1) Economic conditions (1) Assaying (1) Wealth (1) Sudanese (1) Scientists (1) Quality of life (1) Pressure (1) Possibility (1) Peasants (1) Migration, Internal (1) Lifestyles (1) Life (1) Hope (1) Droughts (1) Cost and standard of living (1) Last years (1) Analysis (1) Movements (1) Working poor (1) Posibilidad (1) Presión (1) Esperanza (1) Científicos (1) Coste de vida (1) Nivel de vida (1) Migración interior (1) Sequía (1)