Ph.D.

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Hidden Rules of Class At Work
Ruby K. Payne; PhD; Don L. Krabill

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� 7.40

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Framework for Understanding Poverty Manual: A Cognitive Approach: 1
Payne, Ruby K.

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� 13.85

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The R Rules Facilitator Guide - Revised Edition
Elizabeth W. Souther; Ruby K. Payne; Ph. D.

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� 12.50

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