Gary E. Schaffer - books and biography
Gary E. Schaffer - books and biography
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Paper book «Implementing Universal Social-Emotional Programs: A Step-by-Step Guide for Schools», authors Gary E. Schaffer, Stacy L. Bender – фото №1
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Paper book «Implementing Universal Social-Emotional Programs: A Step-by-Step Guide for Schools», authors Gary E. Schaffer, Stacy L. Bender – фото №1
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Paper book «Multi-Tiered Systems of Support: A Practical Guide to Preventative Practice», author Gary E. Schaffer – фото №1
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