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Introductory statistics for the behavioral sciences / Joan Welkowitz, Robert B. Ewen, Jacob Cohen.
- 519.50243 W446 2002
- Welkowitz, Joan,
- John Wiley,
- [2002] ©2002
- New York :
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Introductory statistics for the behavioral sciences / Joan Welkowitz, Barry H. Cohen, Robert B. Ewen.
- 519.50243 W446 2006
- Welkowitz, Joan,
- Wiley,
- [2006] ©2006
- Hoboken, New Jersey :