Columbia subject headings:
Ayacucho (Peru : Department)--Economic conditions.
Ayacucho (Peru : Department)--Population.
Harvard subject headings:
Ayacucho (Peru : Department)--Economic conditions--Statistics.
Ayacucho (Peru : Department)--Economic conditions.
Ayacucho (Peru : Department)--Population--Statistics.
Ayacucho (Peru : Department)--Population.
Princeton subject headings:
Ayacucho (Peru : Department)--Economic conditions.
Ayacucho (Peru : Department)--Population.