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記憶力世界チャンピオンカールステン博士の頭がよくなる勉強法―単語・歴史・公式・数字がすばやく覚えられる驚異のテクニック
Tankobon Hardcover
About the author
Gunther Karsten
11 books5 followersGunther Karsten (born September 23, 1961) is a German memory sport competitor and author.
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