161
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Repository Repositorio Banco Central del Ecuador
162
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Repository Repositorio Banco Central del Ecuador
163
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Repository Repositorio Banco Central del Ecuador
164
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Published in 1964
Repository Repositorio Banco Central del Ecuador
165
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Published in 1978
Repository Repositorio Banco Central del Ecuador
166
article
by Escobedo Polo, Elser; Chirinos Ipanaque, José; Silva Vera, Anais; Fonseca Dávalos, Luis; Silva Briones, Paul; Saabedra Neyra, Deyvi; Aznaran Campos, Brahyan
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Repository Repositorio Universidad Politécnica Salesiana
167
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Repository Repositorio Universidad Politécnica Salesiana
168
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Repository Repositorio Universidad Politécnica Salesiana
169
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Repository Repositorio Universidad Politécnica Salesiana
170
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Repository Repositorio Universidad Politécnica Salesiana
171
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Repository Repositorio Universidad Politécnica Salesiana
172
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Repository Repositorio Universidad Politécnica Salesiana
173
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Repository Repositorio Universidad Politécnica Salesiana
174
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Repository Repositorio Escuela Superior Politécnica del Litoral
175
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Repository Repositorio Escuela Superior Politécnica del Litoral
176
article
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Repository Repositorio Escuela Superior Politécnica del Litoral
177
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Repository Repositorio Escuela Superior Politécnica del Litoral
178
article
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Repository Repositorio Escuela Superior Politécnica del Litoral
179
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Repository Repositorio Escuela Superior Politécnica del Litoral
180
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Repository Repositorio Escuela Superior Politécnica del Litoral