コロンビア大学国際地球科学情報ネットワーク センター(CIESIN)。2018 年。Gridded Population of the World, Version 4(GPWv4): Population Count Adjusted to Match 2015 Revision of UN WPP Country Totals, Revision 11。Palisades, NY: NASA Socioeconomic Data and Applications Center
(SEDAC). https://doi.org/10.7927/H4PN93PB.
Accessed DAY MONTH YEAR.
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