The ‘digital revolution’ is changing women’s fertility trajectories in Balaka, Malawi. @FCBillari, @rotondivale & @JTrinitapoli show that mobile phone ownership and use are associated w/ smaller ideal family size, lower parity & increased child-spacing. https://t.co/w38ruaYLoK pic.twitter.com/311V4kE7jU— Demographic Research (@DemographicRes) June 11, 2020
1 comment:
Это в Африке.
А в РФ?
напомните мне значение косинуса в военное время
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