By Prochaska J.O.   Velicer W.F.   Prochaska J.M.   Johnson J.L.   in Addictive Behaviors

ISSN:0306-4603|29|1|207-213

Elsevier‎(2004)‎

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By Sarkin J.A.   Johnson S.S.   Prochaska J.O.   Prochaska J.M.   in Preventive Medicine

ISSN:0091-7435|33|5|462-469

Academic Press‎(2001)‎

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