Grotta, Nydia María <br/><br/>
La ortografía es un juego 
Nydia María Grotta and Marta Aurora Salles de Lobos. 
 - Argentina  Studium Editora  1982. 
 - 3 v.  col. ill. 
<br/><br/><label>ISBN: </label>9500165007 
<br/><br/><label>LCCN: </label>buc91000581  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language arts (Elementary)<br/>Language and languages--Orthography and spelling.
<br/><br/><label>LC Class. No.: </label>PC4143  / .G767 1982 
<br/><br/><label>Dewey Class. No.: </label>372.632  / G881o