The Harare Guidelines - A guide-line set for small/medium scale mining by the United Nations -

Authors=MURAO Satoshi

Journal/Book_names=Chishitsu News

number=553

pages=47-49

Publish_year=2000

Publish_Country=JPN

Publisher=Jitsugyo Kohosha

Language_of_Text=JA

ISSN=00094854

ID=200006706