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Indicators of the five-year plan of the national economy of the USSR that have social and hygienic significance (composition and movement of the population, problems of labor, energy, housing and nutrition) https://journal.hep.com.cn/0368-4814/EN/10.17816/kazmj79985
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Indicators of the five-year plan of the national economy of the USSR that have social and hygienic significance (composition and movement of the population, problems of labor, energy, housing and nutrition) https://journal.hep.com.cn/0368-4814/EN/10.17816/kazmj79985
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