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X (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "X" in Czech language version.

Last modified:

Ref.Un. Ref.Website
Global rank Czech rank
22cas.cz
1,605th place
13th place
11todayifoundout.com
low place
4,011th place
11cosmosmagazine.com
low place
low place

cas.cz (Global: 1,605th place; Czech: 13th place)

nase-rec.ujc.cas.cz

cosmosmagazine.com (Global: low place; Czech: low place)

  • Why X marks the unknown. cosmosmagazine.com [online]. 2015-06-15 [cit. 2022-05-09]. Dostupné online. (anglicky)

todayifoundout.com (Global: low place; Czech: 4,011th place)

  • The Origins of the Mathematical Convention of Using "X" as the Unknown [online]. 2014-11-11 [cit. 2022-05-09]. Dostupné online. (anglicky)