As normas na sergurança social
Subtitle: prestações de velhice.
Series: Publicações do Gabinete de Planeamento.  Série "Estudos," 12
Publisher: Gabinete de Planeamento, Ministério das Corporações e Previdência Social
Published: 1973
Place of publication: Lisboa
Language: por
Number of pages: 89
Subjects: Old age pensions.; Old age pensions -- Portugal.
Notes: Includes bibliographical references.
Summary in Portuguese, French, English, and German.