Small-scale mining : a review of the issues
著者
書誌事項
Small-scale mining : a review of the issues
（World Bank technical paper, no. 75）（Industry and finance series, v. 23）
World Bank, 1987
大学図書館所蔵 全3件
注記
Bibliographical references: p. 73-76
Small-scale mining : a review of the issues
（World Bank technical paper, no. 75）（Industry and finance series, v. 23）
World Bank, 1987
Bibliographical references: p. 73-76