共 4 条
[2]
Food Security in China and Contingency Planning: the Significance of Grain Reserves[J] . Hendrik J.Bruins,FengxianBu.Journal of Contingencies and Crisis Management . 2006 (3)
[3]
Chapter 40 Food security and food assistance programs[J] . Christopher B. Barrett.Handbook of Agricultural Economics . 2002
[4]
A Theory of Production[J] . Charles W. Cobb,Paul H. Douglas.The American Economic Review . 1928 (1)