Columbia subject headings:
Divorce--Ecuador--Statistics--Periodicals.
Ecuador--Statistics, Vital--Periodicals.
Marriage--Ecuador--Statistics--Periodicals.
Harvard subject headings:
Divorce--Ecuador--Statistics--Periodicals.
Ecuador--Statistics, Vital--Periodicals.
Marriage--Ecuador--Statistics--Periodicals.
Princeton subject headings:
Divorce--Ecuador--Statistics--Periodicals.
Ecuador--Statistics, Vital--Periodicals.
Marriage--Ecuador--Statistics--Periodicals.
Periodicals.