පාඨක රුචි පර්යේෂණ වාර්ථාව 
 Paataka Ruchi Paryeshana Vaarthawa 

 - Colombo  Ministry of Educational and Cultural Affairs  1964 
 -  60p., 24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Science
<br/><br/><label>Universal Decimal Class. No.: </label>(X) 028 JAT