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Fedeal Press Service, 1961
Buku Teks SO
Talos, Emmerich
Facts and figures
Federal Press Service, 2000
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Moroney, M.J.
Facts from figures
Penguin Book, 1968
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Tibet China's facts and figures
Wai Wen chu ban she, 2007
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China facts and figures 2010
Foreign Languages Press, 2010
Buku Teks