Ang pagpapaunlad ng gawain ng ating magsasaka.
| מחבר תאגידי: | |
|---|---|
| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Manila
Bureau of Printing
1940.
|
| סדרה: | Philippine Adult Education series, booklet
no.3 |
| נושאים: |