01075nam a2200325 i 450099100138965970753620020507192610.0950321s1980 fr ||| | eng 9231017799b10840862-39ule_instLE01311548ExLDip.to Matematicaeng510AMS 00A35QA11.A1ZDM A00Morris, Robert A.201223Studies in mathematics education /edited by Robert MorrisParis :Unesco,c1980v. ;25 cm.Teaching of basic sciencesDidactis of mathematicsMathematics-study and teachingMethodology of mathematics.b1084086223-02-1728-06-02991001389659707536LE013 A00 MOR11 (1980)12013000025636le013-E0.00-l- 00000.i1095086228-06-02Studies in mathematics education919020UNISALENTOle01301-01-95ma -engfr 01