Philippine Rock Industries, Incorporated grinding rock becomes a successful business venture
| Yazar: | |
|---|---|
| Materyal Türü: | Kitap | 
| Dil: | English | 
| Baskı/Yayın Bilgisi: | [New York]
          American Universities Field Staff
    
        c1968. | 
| Seri Bilgileri: | American Universities Field Staff. Southeast Asia series
              v. 16, no. 8 | 
| Konular: |