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2241
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2242
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2243
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2244
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2245Article of journalPublished in 2002Repositorio Repositorio Institucional U. Caldas
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2246Article of journalPublished in 2015Repositorio Universidad Nacional de Colombia
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2247
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2248
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2249
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2250Published in 2008Repositorio Universidad Nacional de Colombia
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2251
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2252Published in 2016Repositorio Universidad Nacional de Colombia
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2253articlePublished in 2011Repositorio Repositorio Universidad Javeriana“... were first year at public junior high school (2 groups) and a private junior high school (2 groups...”
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2254masterThesisPublished in 2016Repositorio Repositorio Universidad JaverianaGet full text
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2255masterThesisPublished in 2020Repositorio Repositorio Universidad JaverianaGet full text
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2256
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2257
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2258
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2259Trabajo de grado de pregradoPublished in 2018Repositorio Séneca: repositorio Uniandes
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2260