00829nam a2200181Ia 4500001000700000003000500007005001700012008004100029035002000070040001300090245014500103260015700248300003000405504003000435651004000465710005200505740009000557129610BIBL20240725062650.0890803s1974    pr           s000 0 eng d  a(OCoLC)20118296  aWIXcWIX00aTwo studies of Puerto Rican labor mobility.nVolume IpLabor mobility among social security covered workers in the Puerto Rican labor force.  a[San Juan?]bCommonwealth of Puerto Rico, Office of the Governor, Planning Board, Area of Economic and Social Planning, Bureau of Social Planningc1974.  a207 p.bill., mapc28 cm.  aBibliography: p. 206-207. 0aPuerto RicoxLabor mobility.2Local 0aPuerto Rico.bBureau of Social Planning.2Local01aLabor mobility among social security covered workers in the Puerto Rican labor force.