1
by Gonzales de Olarte, Efraín.
Published 1986 - Segunda edición.
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3
by Vicién, Carmen E.,
Published 2015
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5
Published 2003
Manuscript
6
by Vicién, Carmen E.
Published 2002
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7
by Obschatko, Edith S. de.
Published 1992
Acceso a texto completo
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8
Published 1952
Texto completo
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9
by Sauvy, Alfred, 1898-1990.
Published 1952 - [1a. éd.].
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10
Published 1949
Acceso a texto completo v. 1(1949)-v. 37, nº 1(1987)
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