00889nam a2200265 i 450099100131644970753620020507191227.0980127s1970 uk ||| | eng b10830601-39ule_instLE01310398ExLDip.to Matematicaeng510ZDM F03SMP536732The School mathematics project :book B /SMPmetric reprCambridge :Cambridge University Press,1970152 p. ;23 cm.Didactis of mathematics.b1083060121-09-0628-06-02991001316449707536LE013 F03 SMP114 (1970)12013000094557le013-E0.00-l- 00000.i1093925828-06-02School mathematics project923660UNISALENTOle01301-01-98ma -enguk 41