1
by Díez, Jorge A.
[Quito, Ecuador, Talleres gráficos de educación, 1938
[Quito, Ecuador, Talleres gráficos de educación, 1938
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Book
2
by Díez, Jorge A
Quito, Ecuador, S. A., Editorial Industria 1944
Quito, Ecuador, S. A., Editorial Industria 1944
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Book