Columbia subject headings:
Industrial productivity--Malta--Statistics--Periodicals.
Industries--Malta--Statistics--Periodicals.
Manufactures--Malta--Statistics--Periodicals.
Harvard subject headings:
Industrial productivity--Malta--Statistics--Periodicals.
Industrial statistics--Malta--Periodicals.
Manufactures--Malta--Statistics--Periodicals.
Princeton subject headings:
Industrial productivity--Malta--Statistics--Periodicals.
Industries--Malta--Statistics--Periodicals.
Manufacturing industries--Malta--Statistics--Periodicals.