Strategy for the preparation of a biodiversity action plan for Sri Lanka
1994
Kotagama, Sarath |
Kotagama, Sarath
Biological conservation in Sri Lanka : a national status report
1993
Wijesinghe, Leslie C. A. de S. |
Gunatilleke, I. A. U. N. |
Jayawardana, S. D. G. |
Kotagama, Sarath |
Gunatilleke, C. V. S. |