| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Standards for Instructional Supervision: Enhancing Teaching & Learning | 978-1-59667-011-2 (1-59667-011-8) | 2005 |
S. Gordon · Stefan Gärtner · Stefan Gradmann · Stefan Gruden · Stefan Grüttner · Stephen Gardiner · Stephen Gardner · Stephen P. Gordon · Steven Gordon