00963nam a2200205 i 4500000000230478CaOOAMICUS20031003184442.0031003s1951 xx 000 b eng cPUGita676 VUnderstanding group behavior of boys and girls /By Ruth Cunningham and associates Anna Elzi, James A. Hall ..New York :Teachers College - Columbia University,1951.18-446 p. :ill. ;23 cmPsicologia evolutiva e pedagogica dell'adolescenzaVita familiare e sociale, gruppi.(OLS)http://pug/subject/32003Cunningham, Ruth.(OLS)http://pug/name/153317PUGPUG1Sala Lettura1S.L. 676 V 3266407 266407PUGBibl2266407 69226 2084676 V(OLS)http://pug/classification/6328245Understanding group behavior of boys and girls(OLS)http://pug/title/309551