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Revista latinoamericana de investigación en matemática educativa
On-line version ISSN 2007-6819Print version ISSN 1665-2436

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CANTORAL, Ricardo  and  REYES-GASPERINI, Daniela. 0.167. Relime [online]. 2012, vol.15, n.2, pp.131-135. ISSN 2007-6819.


 


 

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