National Education Society of Sri Lanka <br/><br/>
Manawa sanwardhana sandaha adyapanaye idiri dekma : Sri Lankawe samanya adyapanaya pilimbanda jatika pratipaththi ramuwak sandaha yojana. 
National Education Society of Sri Lanka 
 - Colombo  National Education Society of Sri Lanka  2003 
 - hbk. : xxxvii, 248 p. : app., digs., tables ; 29.5 cm 
<br/><br/> cj 
<br/><br/><label>Dewey Class. No.: </label>370  / NAT