නවීන විද්‍යා 
 Naveena Vidyaa 

 - Colombo  Gunasena  1953 
 - 14p.,18cm  Damaged 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Science
<br/><br/><label>Universal Decimal Class. No.: </label>ක34