| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Inestimable | 978-2-35584-072-2 (2-35584-072-5) | 2011 | John Shiffman |
| Strategic Planning: How to deliver maximum value through effective business strategy | 978-0-7494-5233-9 (0-7494-5233-1) | 2008 | Matthias Reuter |
Robert G Wittmann · Robert W. · Robert Weitman · Robert Wettemann · Robert Whitman