00380nam a2200121 a 4500082001900000100002800019245009300047260004100140300000900181650002500190700002100215700002200236  a370.7122bJ35e  aJenkins, Gladys Gardner  aEste es su hijo preescolarcGladys Gardner Jenkins , Helen S. Shacter y William W. Bauer  aBuenos AiresbEditorial Paidosc1976  a85 p  aEDUCACION PREESCOLAR  aSHACTER, HELEN S  aBAUER, WILLIAM W.