Monda loĝantaro: Malsamoj inter versioj
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Linio 90:
* [http://www.pbs.org/wgbh/nova/transcripts/3108_worldbal.html "The World in Balance"] (transcript). Two-part PBS Nova on world population. April 20, 2004. Konsultita la [[19an de julio]] 2013.
* [http://berkeley.academia.edu/OzzieZehner/Papers/911571/The_Environmental_Politics_of_Population_and_Overpopulation/ "The Environmental Politics of Population and Overpopulation"]. [[Universitato de Kalifornio ĉe Berkeley]]. 2012. Konsultita la 19an de julio, 2013.
* [http://www.economist.com/news/international/21579817-lot-more-people-faces-future "Global population: Faces of the future"]. ''The Economist''. 22an de Junio, 2013. Konsultita la [[25an de junio]] 2013.
* [http://www.bbc.co.uk/news/science-environment-23253917 "Creating new life – and other ways to feed the world"]. BBC. [[23an de julio]] 2013. Konsultita la 23an de Julio, 2013.
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