Ang pagpapaunlad ng sarili sa paggawa
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | Filipino |
| Foilsithe / Cruthaithe: |
Manila
Bureau of Printing
1939.
|
| Sraith: | Philippine adult education series : bulletin
no.2 |
| Ábhair: |