Response to the earth summit implementing the Philippine agenda 21 for sustainable development : conference report, 31 August - 01 September 1992, Hyatt Regency, Manila.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
[Quezon City
DENR
1992?].
|
| Gaiak: |