PRISE 发表于 2025-3-30 11:13:16
International Economic Association Serieshttp://image.papertrans.cn/e/image/301543.jpg粘土 发表于 2025-3-30 14:31:53
Socket-Programmierung mit TCP/IP,T. Congo. is a vast Central African territory situated astride the equator. It is 2–3 million square kilometres in area—that is, a third of the size of the United States. It has only 13 million inhabitants—that is, 8 per cent of the United States’ population. The average density of population is thus only 5 inhabitants per square kilometre.Statins 发表于 2025-3-30 18:51:58
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https://doi.org/10.1007/978-3-658-06721-2T. paper is made up of three parts: (1) a review of some findings relating to fertility, mortality, and present and prospective natural increase in Sub-Saharan Africa; (2) a review of some findings relating to migratory movements in this region; (3) a brief indica tion of the economic implications of current population movements.兵团 发表于 2025-3-31 01:57:14
https://doi.org/10.1007/978-3-663-02323-4T. are, of course, prices in the (independent and dependent) economies of Africa south of the Sahara, just as there are prices in all the countries of the world which have left the barter economy behind them and use some monetary instrument in their payments.鞠躬 发表于 2025-3-31 08:39:54
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Population Movements and Problems in Sub-Saharan AfricaT. paper is made up of three parts: (1) a review of some findings relating to fertility, mortality, and present and prospective natural increase in Sub-Saharan Africa; (2) a review of some findings relating to migratory movements in this region; (3) a brief indica tion of the economic implications of current population movements.