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

ग्रंथसूची विवरण
मुख्य लेखक:	Bayle, Romeo L.
स्वरूप:	थीसिस
भाषा:	English
प्रकाशित:	1999.
विषय:	Gold mine and mining > Philippines > Gumaus (Paracale, Camarines Norte). Gumaus (Paracale, Camarines Norte) > Economic conditions.