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by Gallagher, Robert S.; Stehouwer, Richard C.; Barrera, Víctor Hugo; Alvarado Ochoa, Soraya Patricia; Escudero, Luis; Valverde, Franklin; Portilla, Arnufo; Webber, Katie; Domínguez Andrade, Juan Manuel
Published in 2017
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Published in 2002
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by Torres, Lucía; Montesdeoca, Fabián; Gallegos, Patricio; Castillo C., Carmen; Asaquibay, César; Valverde, Franklin; Orozco, F.; Pérez, C.; Monteros J., Cecilia; Cuesta Subía, Hugo Xavier; Taipe, Arturo; Andrade-Piedra, Jorge
Published in 2011
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Published in 2010
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by Valverde, Franklin; Torres, Cristhian; Rivadeneira Ruales, Jorge Esteban; Parra, Rafael; Cartagena Ayala, Yamil Everaldo; Alvarado Ochoa, Soraya Patricia
Published in 2010
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Published in 2004
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Published in 1979
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by Aguinaga Bósquez, Juan Pablo; Yánez G., Carlos; Valverde, Franklin; Alvarado Ochoa, Soraya Patricia
Published in 2012
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