Philippine Rock Industries, Incorporated grinding rock becomes a successful business venture
| Hoofdauteur: | |
|---|---|
| Formaat: | Boek | 
| Taal: | English | 
| Gepubliceerd in: | [New York]
          American Universities Field Staff
    
        c1968. | 
| Reeks: | American Universities Field Staff. Southeast Asia series
              v. 16, no. 8 | 
| Onderwerpen: |