00879nam a2200265 i 450099100131632970753620020507191226.0980127s1970 uk ||| | eng b10830583-39ule_instLE01310396ExLDip.to Matematicaeng510ZDM F03SMP536732The School mathematics project /SMPmetric reprCambridge :Cambridge University Press,1970144 p. ;23 cm.Didactis of mathematics.b1083058321-09-0628-06-02991001316329707536LE013 F03 SMP112 (1970)12013000094533le013-E0.00-l- 00000.i1093923428-06-02School mathematics project923660UNISALENTOle01301-01-98ma -enguk 41