| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| 50 powerful ways to win new customers | 978-1-56414-307-5 (1-56414-307-4) | 2000 |
| How to Hold Successful Meetings | 978-1-56414-325-9 (1-56414-325-2) | 1990 |
| School Security: How to Build and Strengthen a School Safety Program | 978-0-12-407811-6 (0-12-407811-7) | 2014 |
P T · Paul R. Phd. Timm · Paul R. Timm · Paul R. Timm et al · Paul R. Timm Ph.D. · Paul T.