J. L. · John L. · John Levko
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Learning to Work Safely: A Guide for Managers and Educators | Paperback | 978-1-60752-081-8 (1-60752-081-8) | 2009 | Richard Volpe |
| Learning to Work Safely: A Guide for Managers and Educators | Hardcover | 978-1-60752-082-5 (1-60752-082-6) | 2009 | " |