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Investitionsbedingungen in Ecuador
(1980)
Ecuador : tax and trade guide
(1976)
Taxation in Ecuador : a guide for the foreign investor
(1986)
Informe de labores
(1978)
Memoria / Centro de Desarrollo Industrial del Ecuador
(1984)
Memoria / CENDES : 1960 - 1988
Sarmiento Mera, Manuel, (1988)