Key issues in mental retardation research :  proceedings of the 8th World Congress of the International Association for the Scientific Study of Mental Deficiency (IASSMD) :  Dublin, Ireland, 21-25 August 1988 / 
co-sponsored by the World Health Organization ; ed. by W. I. Fraser 
 - 506 páginas 
<br/><br/><label>ISBN: </label>0415013631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Personas con discapacidad mental--Congresos
<br/><br/><label>LC Class. No.: </label>RC569.9  / I56 1988