Subjects: *ECONOMICS; *SLUMS; *DEMOGRAPHYASIA; LATIN America; SUB-Saharan Africa
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Subjects: *WATER supply; *TRADE regulation; *METROPOLITAN areasASIA; AFRICA
Subjects: *POVERTYAFRICA; ASIA; LATIN America
Subjects: *AGRICULTURAL productivity; *AGRICULTURAL economics; *RESEARCHAFRICA; ASIA; LATIN America