Philippine Rock Industries, Incorporated grinding rock becomes a successful business venture
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
[New York]
American Universities Field Staff
c1968.
|
| Sraith: | American Universities Field Staff. Southeast Asia series
v. 16, no. 8 |
| Ábhair: |