Books by Richard L. Wessler

Cover of Succeeding with difficult clients

Succeeding with difficult clients

by Richard L. Wessler, Sheenah Hankin, Jonathan Stern

2001
Cover of RET - Training. Einführung in die Praxis der Rational-emotiven Therapie.

RET - Training. Einführung in die Praxis der Rational-emotiven Therapie.

by Susan R. Walen, Raymond DiGiuseppe, Richard L. Wessler

1982

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