CABI Publishing · International Potato Center
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Korea's seed potato program: Organization, impact, and issues | 978-92-9060-107-4 (92-9060-107-8) | 1987 |
| Monitoring and Evaluating Agricultural Research: A Sourcebook | 978-0-85198-860-3 (0-85198-860-1) | 1993 |
D,. H.. · D. Horton · Douglas E. · Douglas Horton · E.H. · E. Horton