Columbia subject headings:
Harvard subject headings:
Exports--China--Shandong Sheng--Statistics--Periodicals.
Shandong Sheng (China)--Commerce--Statistics--Periodicals.
Princeton subject headings:
Periodicals.
Shandong Sheng (China)--Commerce--Statistics--Periodicals.
Shandong Sheng (China)--Economic conditions--Statistics--Periodicals.
Statistics.