12 th Asian conference on mental retardation  Proceedings of 12 th Asian conference on mental retardation - September 14th to 8th Colombo, Sri Lanka 

 - Colombo  The Secretariat, 12 th Asian conference on mental retardation  1995 
 - [16] p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX 413<br/>MENTAL RETARDATION<br/>SINHALA NOVEL
<br/><br/><label>Dewey Class. No.: </label>B0413  / LDC