00970cam0-2200301---450 99000488126040332120240201143215.0000488126FED01000488126(Aleph)000488126FED0119990604d1972----km-y0itay50------baengUSa---a---001yyBilingual education in a binational schoola studyof equal language maintenance through free alternationWilliam Francis MackeyForeword by Joshua A. FishmanRowleyNewbury house1972XVIII, 185 p.ill.23 cmBilinguismo404.2Mackey,William Francis162572Fishman,Joshua A.<1926- >ITUNINARICAUNIMARCBK990004881260403321404.2 MACK 01Ist.f.m.23230FLFBCFLFBCBilingual education in a binational school519904UNINA