Successful manager’s handbookSusan H. Gebelein, Kristie J. Nelson-Neuhaus, Carol J. Skube, D. G. Lee, L. A. Stevens, Lowell W. Hellervik, Brian Leigh Davis · First published 2001Open the Tome
The What and Why of AssessmentLowell W. Hellervik, Mary Dee Hicks, Carol Sommers · First published 1991Open the Tome
Improving Managerial EffectivenessW. Hellervik and Brian L. Davis Lowell · First published 1984Open the Tome
