Taxation and progress
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Manila
          National Economic Council, Republic of the Philippines
    
        1972. | 
| Gaiak: | 
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Manila
          National Economic Council, Republic of the Philippines
    
        1972. | 
| Gaiak: |