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4681Trabajo de grado de pregradoPor Anduquia Arango, Melissa; Ibañez Palomino, Paula Andrea; Ríos González, Laura Daniela; Castillo Galindo, María JoséPublished in 2024Repositorio Repositorio U. El Bosque
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4682Article of journalPublished in 2017Repositorio Repositorio Institucional UPN
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4683Published in 2021Repositorio Repositorio Universidad de la Sabana
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4684http://purl.org/coar/version/c_b1a7d7d4d402bccePublished in 2009Repositorio Repositorio UIS
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4685
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4686http://purl.org/coar/version/c_b1a7d7d4d402bccePublished in 2018Repositorio Repositorio UIS
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4687
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4688
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4689articlePublished in 2005Repositorio Repositorio Universidad Javerianaby Ahtineva, Aija; University of Turku, Faculty of Education, Department of Teacher Education, Finland“.... The national objectives concerned the content of knowledge, social significance, emphasis on experimental...”
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4690
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4691
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4692
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4693
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4694Article of journalPublished in 2011Repositorio Repositorio UAN
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4695Published in 2009Repositorio Repositorio Universidad de la Sabana
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4696Article of journalPublished in 2006Repositorio Repositorio Institucional UPN
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4697Article of journalPublished in 2001Repositorio Repositorio Institucional UPN
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4698
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4699
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4700