00790nam 2200265 450 99630704940331620190913133949.00-471-15163-720190909d2012----km y0itay5003 baengUSaaa 00 yHelping children learn mathematicsReys...[et al.]7. ed.Hoboken (N.J.)John Wiley & Sons2012XXIII, 471 p., [27] p. di tav.ill.28 cmMatematicaInsegnamentoScuola elementareBNCF372.72044REYS,RobertITcbaREICAT996307049403316372.720 HEL 240808 Sci.372.72000333663BKHelping children learn mathematics1560185UNISA