belajar Astronomy
Showing posts with label
olimpiade
.
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Showing posts with label
olimpiade
.
Show all posts
Wednesday, August 28, 2019
Problems of International Astronomy Olympiad (2011)
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Problems: http://www.issp.ac.ru/iao/
Problems of International Astronomy Olympiad (2015)
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Main webpage: http://www.issp.ac.ru/iao/2015/iao15_e.html Problems link: http://www.issp.ac.ru/iao/2015/booklet/index_e.html
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