Philippine Rock Industries, Incorporated grinding rock becomes a successful business venture
| Κύριος συγγραφέας: | |
|---|---|
| Μορφή: | Βιβλίο | 
| Γλώσσα: | English | 
| Έκδοση: | [New York]
          American Universities Field Staff
    
        c1968. | 
| Σειρά: | American Universities Field Staff. Southeast Asia series
              v. 16, no. 8 | 
| Θέματα: |