| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| SAP APO Interview Questions, Answers, and Explanations: SAP APO Certification Review | 978-1-933804-42-2 (1-933804-42-4) | 2007 |
J.S. · James Seymour · James Skinner · Jens Schymura · Jens Semrau · Johannes Sommer