Ferguson, George Andrew, author
McGraw-Hill, 1987
Buku Teks
Lebart, Ludovic
John Wiley & Sons, 1984
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Myers, Jerome L., author
Routledge, 2010
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John, Peter William Meredith
Society for Industrial and Applied Mathematics, 1998
eBooks
Ferguson, George Andrew, author
McGraw-Hill , 1989
Buku Teks