00776nam 2200265 450 99630565020331620190909164031.0978-1-118-00180-620190909d2012----km y0itay5003 baengUSaaa 00 yHelping children learn mathematicsReys...[et al.]10. ed.Hoboken (N.J.)John Wiley & Sons2012XIV, 430 p.ill.28 cmMatematicaInsegnamentoScuola elementareBNCF372.72044REYS,RobertITcbaREICAT996305650203316372.720 HEL 140951 Sci.372.72000333647BKHelping children learn mathematics1560185UNISA