Ang pagpapaunlad ng gawain ng ating magsasaka.
| Coauteur: | |
|---|---|
| Formaat: | Boek |
| Taal: | English |
| Gepubliceerd in: |
Manila
Bureau of Printing
1940.
|
| Reeks: | Philippine Adult Education series, booklet
no.3 |
| Onderwerpen: |