By Knuuttila Vesa   in Counselling Psychology Quarterly

ISSN:1469-3674|25|4|361-375

Routledge Ltd‎(2012)‎

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By Saarnio Pekka   Knuuttila Vesa   in Journal of Addictions Nursing

ISSN:1088-4602|18|3|117-122

Ashgate Publishing Ltd‎(2007)‎

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By Saarnio Pekka   Knuuttila Vesa   in Journal of Substance Use

ISSN:1465-9891|8|1|33-38

Radcliffe Press‎(2003)‎

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