Perera,Prasanna <br/><br/>
Introduction to economics-1/ 
Prasanna Perera 
 - Peradeniya:  author,  2020. 
 - xvii,564 p.:ill.(some col.);  23 cm. 
<br/><br/><label>ISBN: </label>9789559691518 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics<br/>Demand<br/>Supply<br/>Markets<br/>Macroeconomics
<br/><br/><label>Dewey Class. No.: </label>330 PER