Perera, Lal  <br/><br/>
National Assessment of Achievement of Grades 8 & 10 Students in Sri Lanka : National Report  

 - Colombo :  NEREC,  2007 
 - xxi, 209p.;  Col.ill.  29cm 
<br/><br/><label>ISBN: </label>9789551187149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Report