Thomson, Jems <br/><br/>
පුස්තකාල බලය 
= pustakala balya 


 - Colombo:  Sri Lanka National Library Service Staff,  1986. 
 - 132p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library Science<br/>Information Science
<br/><br/><label>Dewey Class. No.: </label>023.2  / THO