International Labor Office. Petroleum Committee & International Labor Organization. (1972). Social problems of contract, sub-contract and casual labour in the petroleum industry. Second item on the agenda.
Chicago Style aipamenaInternational Labor Office. Petroleum Committee and International Labor Organization. Social Problems of Contract, Sub-contract and Casual Labour in the Petroleum Industry. Second Item on the Agenda. Geneva, 1972.
MLA aipamenaInternational Labor Office. Petroleum Committee and International Labor Organization. Social Problems of Contract, Sub-contract and Casual Labour in the Petroleum Industry. Second Item on the Agenda. 1972.
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