හැදුම වැඩුම උගැන්ම හා ළමයා 
= haduma waduma uganma saha Lamaya 


 -  Sri Lanka university Service(external)staff,  1987. 
 - 169p.  ill.;  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental Psychology<br/>Child Psychology
<br/><br/><label>Dewey Class. No.: </label>155.4  / HAD