| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| element k, effective business writing, instructor's edition, edward schelb. | 978-1-4246-0099-1 (1-4246-0099-5) | 2006 |
| element k, effective presentations, instructor's edition, edward schelb. | 978-1-4246-0109-7 (1-4246-0109-6) | 2006 |