| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| A Colour Guide to Dangerous Plants | 978-9971-69-152-3 (9971-69-152-3) | 1991 | P. Gopalakrishnakone |
| A guide to medicinal plants | 978-9971-88-303-4 (9971-88-303-1) | 1992 | |
| Snake Bites and Their Treatment | 978-9971-69-151-6 (9971-69-151-5) | 1994 | P. Gopalakrishnakone · K. V. Ratnam |
Dr. Wee Yeow Chin · W.C. · W.-Y. Chan · Wai-Yee Chan · Wai-Yee Chen