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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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|a H 370
|b J86j
|2 21
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|a Taub, Gordon E.
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|a Effects of improvements in interval timing on the mathematics achievement of elementary school students
|h artículo de revista
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|a ENSEÑANZA DE LAS MATEMATICAS
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|a ENSEÑANZA PRIMARIA
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|a PRODUCTIVIDAD
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|a EVALUACION DE LA EDUCACION
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|a McGrew, Kevin S.
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|a Keith, Timothy Z.
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|t Journal of research in childhood education. --
|g Vol. 29, no. 3 (jul.-set. 2015) p. 352-366
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|a Biblioteca Joaquín García Monge. Hemeroteca
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|u http://www.tandfonline.com.una.idm.oclc.org/doi/full/10.1080/02568543.2015.1040563#abstract
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