| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Integral Green Zimbabwe: An African Phoenix Rising | Hardcover | 978-1-4724-3819-5 (1-4724-3819-1) | 2014 | Ronnie Lessem · Alexander Schieffer |
| Integral Green Zimbabwe: An African Phoenix Rising | Digital | 978-1-4724-3821-8 (1-4724-3821-3) | 2014 | Ronnie Lessem · Alexander Schieffer |