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1.

図書
図書
1. Practical business statistics. 3rd ed
[by] Frederick E. Croxton [and] Dudley J. Cowden
出版情報: Englewood Cliffs, N.J. : Prentice-Hall , Tokyo : Maruzen, 1961
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2.

図書
図書
2. Practical business statistics
Frederick E. Croxton and Dudley J. Cowden
出版情報: New York : Prentice-Hall, 1934
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