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WikiPedia: Người_Séc http://www.censusdata.abs.gov.au http://www12.statcan.ca/english/census06/data/high... http://www.britannica.com/ebc/article-9378866?quer... http://www.ethnologue.com/show_family.asp?subid=29... http://epoca.globo.com/edic/214/soci1a.htm http://www.omniglot.com/writing/czech.htm http://www.czech.cz/en/czech-republic/history/ http://www.czso.cz/eng/edicniplan.nsf/p/4032-06 http://www.czso.cz/eng/edicniplan.nsf/t/3E0041D4D1... http://www.bosna.unas.cz/bosnacesko.html