JOT 发表于 2025-3-23 13:45:05
ons of one of the major processes of change in contemporary societies. It provides a foundation for understanding and reflecting on key. .demographic and social trends, together with related theoretical and policy frameworks that are important in explaining changes and designing informed responses.业余爱好者 发表于 2025-3-23 15:16:04
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Helmut Satzce as a demographer for the U. S. Department of Agriculture. When I arrived at the Department, the post-World War II modernization of farming was well under way. Each year, my colleague Gladys Bowles and I had the unpopular task of announcing how much the farm population had decreased in the prior y违反 发表于 2025-3-24 13:57:01
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