Personal effectiveness
Subtitle: guiding people to assert themselves and improve their skills
By: par Robert Paul Liberman ... (et al.)
Contributors: Liberman, Robert Paul, 1937-
Publisher: Research Press
Published: 1975
Place of publication: Champaign, Ill
Language: eng
Number of pages: 169
Subjects: Thérapie de comportement; Assertivité
Notes: Bibliographie : p. 151-169.

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