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Blending Play Therapy with Cognitive Behavioral Therapy: Evidence-Based and Other Effective Treatments and Techniques by Athena A. Drewes 2009.
Play Therapy with Children in Crisis, Third Edition: Individual, Group, and Family Treatment by Nancy Boyd Webb DSW BCD RPT-S and MD Lenore C. Terr . 2007.
Short-Term Play Therapy for Children, Second Edition by Heidi Gerard Kaduson PhD and Charles E. Schaefer PhD . 2009.