Joan Welkowitz
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Introductory Statistics for the Behavioral Sciences
Welkowitz, Joan
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Introductory Statistics for the Behavioral Sciences
Welkowitz, Joan; Cohen, Barry H.; Ewen, Robert B.
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Introductory Statistics for the Behavioral Sciences/Includes Software
Welkowitz, Joan; Ewen, Robert B.; Cohen, Jacob
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Introductory Statistics for the Behavioral Sciences
Welkowitz, Joan; Cohen, Barry H.; Lea, R. Brooke
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Introductory Statistics for the Behavioral Sciences
Lea, R. Brooke; Cohen, Barry H.
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