International Service for National Agricultural Research · Van Geyt
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Gouda van 1900 tot nu | 978-90-5327-037-0 (90-5327-037-X) | 1992 |
| Planning and priority setting for regional research: A practical approach to combine natural resource management and productivity concerns | 978-92-9118-034-9 (92-9118-034-3) | 1997 |
G J · G. Janssen · W G · W.J. · W. Janssen