Social problems of contract, sub-contract and casual labour in the petroleum industry : Second item on the agenda
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書誌事項
Social problems of contract, sub-contract and casual labour in the petroleum industry : Second item on the agenda
（Report / International Labour Organisation. Petroleum Committee, 8th session,
International Labour Office, 1972
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注記
At head of title: International Labour Organisation. Programme of Industrial Activities
"Report prepared by the International Labour Office"
