6441
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Repository Revista Universidad de Cuenca
6442
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6443
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6444
bachelorThesis
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Repository Repositorio Universidad Técnica de Machala
6445
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Repository Revista Universidad de Cuenca
6446
article
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Repository REVISTAUC
6447
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by Hernández Hernández, Jorge; Jesús Castillo, Alberto de; Lucio Hernández, José; Camacho Ronquillo, Julio; Villarreal Espinobarros, Oscar; Romero Castañón, Salvador
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Repository Revista Ciencia y Tecnología
6448
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6450
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Repository REVISTAUC