| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| South African Agriculture at the Crossroads: An Empirical Analysis of Efficiency, Technology and Productivity | 978-O-333-79O28-1 (O-333-79O28-6) | 2000 | Johan Van Zyl · Nick Vink |
c't · C. Thirtle · Colin G. Thirtle · Dr Colin Thirtle