J.D. · J. L. · Jean Luc · L.D.
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Traditions, templates, and group leaders: Barriers to effective communication | 978-90-813677-1-4 (90-813677-1-4) | |
| Trees, Maps, and Theorems Effective Communication for Rational Minds | 978-90-813677-0-7 (90-813677-0-6) | 2009 |