| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Principles of Tropical Agronomy | 978-0-85199-136-8 (0-85199-136-X) | 2001 | Sayed Azam-Ali |
| The Physiology of Tropical Crop Production | 978-0-85198-677-7 (0-85198-677-3) | 1990 | |
G S · Geoffery Sawer · Geoffrey Sawer · Geoffrey Sawyer · Geoffrey Scarre · Geoffrey Sher