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

Podrobná bibliografie
Hlavní autor:	Bayle, Romeo L.
Médium:	Diplomová práce
Jazyk:	English
Vydáno:	1999.
Témata:	Gold mine and mining > Philippines > Gumaus (Paracale, Camarines Norte). Gumaus (Paracale, Camarines Norte) > Economic conditions.