搜索结果: 1-1 共查到“法学 food security”相关记录1条 . 查询时间(0.125 秒)
Food Security, Fertility Differentials and Land Degradation in Sub-Saharan Africa:A Dynamic Framework
Food Security Fertility Differentials Land Degradation
2009/3/16
We study the impact of differential fertility levels for the food-insecure and food-secure population on the long-run values of the population distribution and resources in a descriptive model where t...