Columbia subject headings:
Industries--Philippines--Periodicals.
Philippines--Commerce--Periodicals.
Philippines--Statistics--Periodicals.
Harvard subject headings:
Industries--Philippines--Periodicals.
Philippines--Commerce--Periodicals.
Philippines--Statistics--Periodicals.
Princeton subject headings:
Industries--Philippines--Periodicals.
Periodicals.
Philippines--Commerce--Periodicals.
Philippines--Statistics--Periodicals.
Statistics.