Preston, John H.
Overview
            | Works: | 1 works in 0 publications in 0 languages | |
|---|---|---|
Titles
          
                  
                    An Investigation of the Relationship between Education, Credentials and Knowledge of Personal Trainers and Client Retention.
                  
                  by: 
                  Preston, John H.; Arizona State University.; ProQuest Information and Learning Co.
                  (Language materials, manuscript)