00973cam0-22003371i-450-99000500698040332120100601121850.0000500698FED01000500698(Aleph)000500698FED0100050069819990604d1959----km-y0itay50------baitarusITy-------001yyScuola democratica e sistemi scolasticiSergio HessenRomaArmando1959358 p.21 cm<<I >>problemi della pedagogia36ScuolaRiformaSec. 20.371Gessen,Sergei Iosifovich<1887-1950>155634ITUNINARICAUNIMARCBK990005006980403321379.2 HES 1 BISIST.PED. 47NAP03379.2 HES 1Bibl. 34545FLFBCFLFBCNAP03Scuola democratica e sistemi scolastici530015UNINA