Limousine
发表于 2025-3-28 16:29:14
Security in Emerging Wireless Communication and Networking Systems978-3-642-11526-4Series ISSN 1867-8211 Series E-ISSN 1867-822X
Invigorate
发表于 2025-3-28 21:19:49
https://doi.org/10.1007/978-3-658-01274-8ulation in a rather more general setting. The ‘population problem’ of the developing countries is widely interpreted in terms of the pressure of numbers against the means of subsistence. This idea goes back to Malthus (1798), who held that an increase in population must depress the standard of living.