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- 72289258 contributor B2147178.
- 72289258 contributor B2147179.
- 72289258 created "1971.".
- 72289258 date "1971".
- 72289258 date "1971.".
- 72289258 dateCopyrighted "1971.".
- 72289258 extent "111 p. ;".
- 72289258 issued "1971".
- 72289258 issued "1971.".
- 72289258 language "spa".
- 72289258 publisher "San Salvador, Centroamérica : Secretaría General de la Organización de Estados Centroamericanos,".
- 72289258 spatial "Central America".
- 72289258 spatial "Central America.".
- 72289258 subject "HD8123.5 .O74".
- 72289258 subject "Labor policy Central America".
- 72289258 subject "Labor supply Central America.".
- 72289258 subject "Social security Central America.".
- 72289258 title "Trabajadores y condiciones de trabajo en Centroamérica.".
- 72289258 type "text".