00932nam a2200217Ia 4500 129610 BIBL 20240725062650.0 890803s1974 pr s000 0 eng d (OCoLC)20118296 WIX WIX PUXA HD5744.A6 T96 v.1 Two studies of Puerto Rican labor mobility. Volume I Labor mobility among social security covered workers in the Puerto Rican labor force. [San Juan?] Commonwealth of Puerto Rico, Office of the Governor, Planning Board, Area of Economic and Social Planning, Bureau of Social Planning 1974. 207 p. ill., map 28 cm. Bibliography: p. 206-207. Puerto Rico Labor mobility. Local 155382 Puerto Rico. Bureau of Social Planning. Local 155382 Labor mobility among social security covered workers in the Puerto Rican labor force. 109406 109406 0 0 0 331_127000000000000_N384PST 0 ci 138624 10 10 B 2016-05-27 v.1 194587 0 331.127 N384(PS)t 80000001491797 2016-05-27 00:00:00 r:129610 z:NCC:D 6