Small-scale gold mining a geographic perspective of the use and development of a mineral resource

Xehetasun bibliografikoak
Egile nagusia:	Bayle, Romeo L.
Formatua:	Thesis
Hizkuntza:	English
Argitaratua:	1999.
Gaiak:	Gold mine and mining > Philippines > Gumaus (Paracale, Camarines Norte). Gumaus (Paracale, Camarines Norte) > Economic conditions.