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Apertura: Revista de Innovación Educativa. Oct2019-Mar2020, Vol. 11 Issue 2, p72-85. 14p. 1 Color Photograph, 1 Black and White Photograph, 7 Charts, 2 Graphs.
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Apertura: Revista de Innovación Educativa. Nov2007, Vol. 7 Issue 7, p46-62. 17p. 5 Black and White Photographs, 1 Illustration, 1 Diagram, 1 Chart.