101
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102
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103
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104
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105
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106
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107
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108
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109
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110
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111
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112
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113
book
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114
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115
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Repository Repositorio SENESCYT
116
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Repository Repositorio Universidad Técnica Particular de Loja
117
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Repository Repositorio Universidad Técnica de Babahoyo
118
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119
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Repository Repositorio Universidad de Guayaquil
120
article
by Arias Gutiérrez, Ruth Irene; Tapia, Alejandra; Tapia, Andrés; Santacruz, Lina; Yasaca, Rovin; Miranda, Nelson
Published in 2012
Repository Revista Amazónica. Ciencia y Tecnología