References
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C.E. Schaefer, & A. A. Drewes, (2014). The therapeutic powers of play: 20 core agents of change. (2nd ed. pp. 195-207). Wiley.
Cochran, N. H., Nordling, W. J., & Cochran, J. L. (2010). Child-Centered Play Therapy: A Practical
Guide to Developing Therapeutic Relationships with Children. New Jersey: John Wiley &
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Ray, D. (2011). Advanced play therapy: Essential conditions, knowledge, and skills for child practice. Taylor & Francis Group.
Ryan, V., & Edge, A. (2012). The role of play themes in non-directive play therapy. Clinical Child Psychology and Psychiatry, 17(3), 354–369. https://doi.org/10.1177/1359104511414265
Wilson, K. & Ryan, V. (2005). Play Therapy: A non-directive approach for children and adolescents. (2nd ed.). Elsevier Limited, MA.