Columbia subject headings:
Amazonas (Peru)--Economic conditions--Statistics.
Cajamarca (Peru : Department)--Economic conditions--Statistics.
La Libertad (Peru : Department)--Economic conditions--Statistics.
Lambayeque (Peru : Department)--Economic conditions--Statistics.
Piura (Peru : Region)--Economic conditions--Statistics.
Tumbes (Peru : Department)--Economic conditions--Statistics.
Harvard subject headings:
Amazonas (Peru)--Economic conditions--Statistics.
Cajamarca (Peru : Department)--Economic conditions--Statistics.
La Libertad (Peru : Department)--Economic conditions--Statistics.
Lambayeque (Peru : Department)--Economic conditions--Statistics.
Piura (Peru : Region)--Economic conditions--Statistics.
Tumbes (Peru : Department)--Economic conditions--Statistics.
Princeton subject headings:
Amazonas (Peru)--Economic conditions--Statistics.
Cajamarca (Peru : Department)--Economic conditions--Statistics.
La Libertad (Peru : Department)--Economic conditions--Statistics.
Lambayeque (Peru : Department)--Economic conditions--Statistics.
Piura (Peru : Region)--Economic conditions--Statistics.
Tumbes (Peru : Department)--Economic conditions--Statistics.