Pencemaran udara: Perbedaan antara revisi

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InternetArchiveBot (bicara | kontrib)
Rescuing 2 sources and tagging 0 as dead.) #IABot (v2.0.8
Frediemie (bicara | kontrib)
k fix broken link updating of urbanairquality.org being archive
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== Pranala luar ==
* [httphttps://wwwairqualitycontrolinc.urbanairquality.orgcom/ International Conference on Urban Air Quality] {{Webarchive|url=https://web.archive.org/web/20081216144156/http://www.urbanairquality.org/ |date=2008-12-16 }}.
* [http://www.unep.org/urban%5Fenvironment/ UNEP Urban Issues]
* [http://ec.europa.eu/environment/air/index.htm European Commission > Environment > Policies > Air >Air Quality].