New processes in mines other than coal mines, their effects on employment and training requirements and the need for employment and social policies to cope with these developments
著者
書誌事項
New processes in mines other than coal mines, their effects on employment and training requirements and the need for employment and social policies to cope with these developments
（Report / International Labour Organisation, Programme of industrial activities, 3）（Sectoral activities programme）
International Labour Office, 1990