රාමසිංහ, ඩබ්ලිව් <br/><br/>
ඊලග පදය 

 - Piliyandala  Bon & Bickey  2007 
 - xiii, 100p.  22cm. 
<br/><br/><label>ISBN: </label>9789551668005 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligence tests<br/>Psychology<br/>Intelligence and aptitudes
<br/><br/><label>Dewey Class. No.: </label>153.93  / RAM