| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Flashcard Study System for the REM Exam: REM Test Practice Questions & Review for the Registered Environmental Manager Exam | 978-1-61072-822-5 (1-61072-822-X) | 2013 |
| Study Notes for the REM Exam Study Guide: REM Test Review for the Registered Environmental Manager Exam | 978-1-61072-821-8 (1-61072-821-1) | 2013 |