Response to the earth summit implementing the Philippine agenda 21 for sustainable development : conference report, 31 August - 01 September 1992, Hyatt Regency, Manila.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
[Quezon City
DENR
1992?].
|
| Pynciau: |