Guitian, Manual
[publisher not identified], [1968]
Buku Teks
Duesenberry, James S. (James Stemble), 1918-2009, author
Prentice-Hall, 1964
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Westerfield, Ray B., author
Roland Press , 1947
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Garvy, George
Federal Reserve Bank of New York, 1966
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Bain, A.D., author
Penguin Books, 1970
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