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Rubik Rubik con rắn Rubik báo thù Rubik giáo sư Rubik's 360 Rubik 2x2 Rubidi Rubitecan Rubigula melanicterus Rubidi superoxideTài liệu tham khảo
WikiPedia: Rubik con rắn http://www.rubiks.com/ http://www.upi.com/Archives/1981/08/24/Now-meet-Ru... http://thomas-wolter.de/rubik_player_en.html http://www.thomas-wolter.de/index_en.html http://tej.blog.hu/2013/11/27/ha_minden_tehennek_l... http://spacepants.org/src/glsnake/ https://www.washingtonpost.com/archive/lifestyle/m... https://commons.wikimedia.org/wiki/Category:Rubik'...