Columbia subject headings:
Ecuador--Economic conditions--1972---Periodicals.
Ecuador--Economic policy--Periodicals.
Ecuador--Social conditions--Periodicals.
Ecuador--Social policy--Periodicals.
National security--Ecuador--Periodicals.
Harvard subject headings:
Ecuador--Economic conditions--1972---Periodicals.
Ecuador--Economic policy--Periodicals.
Ecuador--Social conditions--Periodicals.
Ecuador--Social policy--Periodicals.
National security--Ecuador--Periodicals.
Princeton subject headings:
Ecuador--Politics and government.
Ecuador--Social conditions.
Ecuador.