Columbia subject headings:
Economic indicators--Peru--Periodicals.
Peru--Economic conditions--1968---Statistics--Periodicals.
Peru--Statistics--Periodicals.
Harvard subject headings:
Economic indicators--Peru--Periodicals.
Peru--Economic conditions--1968---Statistics--Periodicals.
Peru--Statistics--Periodicals.
Princeton subject headings:
Economic indicators--Peru--Periodicals.
Periodicals.
Peru--Economic conditions--1968---Statistics--Periodicals.
Peru--Statistics--Periodicals.
Statistics.