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