UP's environmental heritage for the 21st century the Laguna-Quezon and Laguna land grant master plan.
| Formatua: | Liburua |
|---|---|
| Argitaratua: |
[S.l.
s.n.
1997n]
|
| Gaiak: |
| Formatua: | Liburua |
|---|---|
| Argitaratua: |
[S.l.
s.n.
1997n]
|
| Gaiak: |