Philippine Rock Industries, Incorporated grinding rock becomes a successful business venture

Detalles Bibliográficos
Autor principal:	Ravenholt, Albert
Formato:	Libro
Lenguaje:	English
Publicado:	[New York] American Universities Field Staff c1968.
Colección:	American Universities Field Staff. Southeast Asia series v. 16, no. 8
Materias:	Philippine Rock Industries, Incorporated. Sand and gravel industry > Philippines.