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Empleo, horas y salarios en las industrias manufactureras de ...
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Special Bulletin of the Bureau of Labor on Strikes in Porto ...
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Annual Report
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Annual Report ...
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Publicación
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Consumer price index for wage earners' families in Puerto Rico:
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Indice de precios al consumidor para familias obreras en ...
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Ingresos y gastos de las familias, Puerto Rico, 1963
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Ingresos y gastos de las familias, Puerto Rico, 1963: informe
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La Participación de la mujer en la fuerza laboral, promedio ...
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