Search Results       Your search for [subject]Contract system (Labor) -- Congresses returned 1 record.           Social problems of contract, sub-contract, and casual labour in the petroleum industry : report submitted to, and proceedings of, the eighth session of the Petroleum Committee, Geneva, 2-13 April 1973. Geneva: International Labour Office, 1974. Subject: Petroleum workers -- Congresses; Contract system (Labor) -- Congresses.          Add to Book Cart Relevance: 21.58%