Special education :  research, projects and reading. 

 - Río iedras, P.R.  1990- 
 - 1 volume :  illustrations, charts ;  22 cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hearing impaired--Education<br/>Deaf--Education
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Periodicals.