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2. Clues: investigating solutions in brief therapy De Shazer, Steve. New York : W. W. Norton, c1988. COUN440
4. Solution-focused brief practice with long-term clients in mental health services: "I am more than my label" Simon, Joel K. New York : Haworth Press, c2007. CP501
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6. Solution-focused therapy: theory, research & practice Macdonald, Alasdair J. London ; Sage, 2011. COUN410