State of art environmental protection research.
| Formatua: | Liburua |
|---|---|
| Hizkuntza: | English |
| Argitaratua: |
Los Banos, Laguna
Philippine Council for Agriculture and Resources Research and Development
1982.
|
| Saila: | State of the art series. Mines series Philippine Council for Agriculture and Resources Research and Development
no.1/1982 |
| Gaiak: |