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Titlebook: Mehr als nur sch?n; Wie Symmetrien unser J?rg Resag Book 2020 Springer-Verlag GmbH Deutschland, ein Teil von Springer Nature 2020 Relativit

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21#
發(fā)表于 2025-3-25 05:20:32 | 只看該作者
22#
發(fā)表于 2025-3-25 08:47:12 | 只看該作者
ddress the reasons which led to migration itself in both individual and household levels and to highlight issues related to the country of origin and to the destination. In this sense, the context becomes extremely important, and it is likely to expect that the dynamics of return migration change wh
23#
發(fā)表于 2025-3-25 14:57:36 | 只看該作者
24#
發(fā)表于 2025-3-25 19:31:17 | 只看該作者
25#
發(fā)表于 2025-3-25 21:40:21 | 只看該作者
26#
發(fā)表于 2025-3-26 02:22:40 | 只看該作者
J?rg Resagrtility change and are amplified by declining mortality and by migration within and between nations. Demography will matter in this century not by force of numbers, but by the pressures of waves of age structural change....Many developing countries are in relatively early stages of fertility decline
27#
發(fā)表于 2025-3-26 06:51:04 | 只看該作者
28#
發(fā)表于 2025-3-26 09:59:59 | 只看該作者
J?rg Resagrtility change and are amplified by declining mortality and by migration within and between nations. Demography will matter in this century not by force of numbers, but by the pressures of waves of age structural change....Many developing countries are in relatively early stages of fertility decline
29#
發(fā)表于 2025-3-26 14:08:52 | 只看該作者
kes age-transition analysis far beyond the well-trodden area.In the 21.st. century, the populations of the world’s nations will display large and long-lived changes in age structure. Many of these began with fertility change and are amplified by declining mortality and by migration within and betwee
30#
發(fā)表于 2025-3-26 17:40:22 | 只看該作者
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