title | ISBN-13 (ISBN-10) | year of publication |
---|---|---|
Irrigation management for crop diversification in Sri Lanka: A synthesis of current research | 978-92-9090-115-0 (92-9090-115-2) | 1989 |
Small tanks in Sri Lanka: Evolution, present status, and issues | 978-92-9090-477-9 (92-9090-477-1) | 2002 |