1.
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El concepto de competencia en la didáctica de Ariel Campirán Ramos Villegas, Pedro Arturo
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2.
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Using communication strategies to improve the oral skills of a basic level group of students from the language Center Orizaba at the University of Veracruz Soler Rojas, Adrián Martín
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3.
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La escritura antes de la letra Ferreiro, Emilia
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