Mga gawaing magpapariwasa ng kabuhayan
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English Filipino | 
| Argitaratua: | Manila
          Bureau of printing
    
        1939. | 
| Saila: | Philippine adult education series bulletin
              no. 3 | 
| Gaiak: |