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世界天文年2009 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "世界天文年2009" in Japanese language version.

refsWebsite
Global rank Japanese rank
5astronomy2009.jp
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1astronomy2009.org
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astronomy2009.jp

astronomy2009.org

  • “About IYA2009”. International Year of Astronomy 2009（世界天文年2009国際委員会公式ホームページ）. 2018年6月30日閲覧。