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The Social Insurance Institution. Finlandia
Statistical yearbook of the Social Insurance Institution 1976 / pres. Osmo Oittinen. -- Helsinki: The Social Insurance Institution: KENA, 1977. 163 p. ; 25 cm.
Folkpensionsanstalten statistisk årsbok -- Kansaneläkelaitoksen tilastollinen vuisikirja.
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0071-5247
Seguridad social--Finlandia--1976--Estadísticas