| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Facing 2020: The challenges to the plantation industry: proceedings of the Conference on the Plantation Industry in the Year 2020, Kuala Lumpur, August 18-19, 1992 | 978-967-947-165-6 (967-947-165-9) | 1992 | K. |