Problems of employment security and social and working conditions for persons employed in the coal-mining industry in periods of recession in that industry : Second item of the agenda
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Problems of employment security and social and working conditions for persons employed in the coal-mining industry in periods of recession in that industry : Second item of the agenda
（Report / International Labour Organisation, Coal Mines Committee, 9th session,
International Labour Office, 1970
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At head of title: International Labour Organisation, Coal Mines Committee, 9th session, Geneva, 1970
Includes bibliographical references