Ames, Louise Bates,  1908-1996 <br/><br/>
Is your child in the wrong grade? / 
Louise Bates Ames ; pref. Frances L. Ilg. 
 - New York :  Harper & Row,  1967. 
 - 151 p. 
<br/><br/><label>Encabezamiento--Tema: </label><br/>Psicopedagogía