00958nam0-2200325-i-450-99000910918040332120091027104012.00-87353-307-0000910918FED01000910918(Aleph)000910918FED0100091091820091027d1991----km-y0itay50------baengUSa---a---001yyProfessional standards for teaching mathematicsNational council of teachers of mathematics[S.l.s.n.]c1991VIII, 196 p.28 cmMatematicaStudio e insegnamento510.7120itaNational council of teachers of mathematics506220ITUNINARICAUNIMARCBK990009109180403321CPDM-97-08658MA1MA197-XXProfessional standards for teaching mathematics782109UNINA