Soil survey of Bulacan province
| Údar corparáideach: | |
|---|---|
| Rannpháirtithe: | |
| Formáid: | LEABHAR |
| Teanga: | Béarla |
| Foilsithe / Cruthaithe: |
Manila
Bureau of Print.
1936.
|
| Sraith: | Its Technical bulletin
no.5 |
| Ábhair: |