Training program modernization and mechanization program.
| Corporate Author: | |
|---|---|
| Format: | Book | 
| Language: | English | 
| Published: | [Manila
          s.n.]
    
        1955. | 
| Corporate Author: | |
|---|---|
| Format: | Book | 
| Language: | English | 
| Published: | [Manila
          s.n.]
    
        1955. |