Media type: E-Article Title: Enhancing Professional Competence Through Developmental Approaches to Supervision Contributor: Stoltenberg, Cal D. imprint: American Psychological Association (APA), 2005 Published in: American Psychologist Language: English DOI: 10.1037/0003-066x.60.8.85 ISSN: 1935-990X; 0003-066X Origination: Footnote: