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by Canchignia Martínez, Hayron Fabricio; Toaquiza Soatunsig, José Pedro; Ramos Gavilanes, Luís; Sigcha Sigcha, Luis Ernesto; Carranza Patiño, Mercedes Susana; Cevallos Falquez, Orly Fernando; Saucedo Aguiar, Silvia Gicela
Published in 2008
Repository Revista Ciencia y Tecnología