"Jayasinghe, P." <br/><br/>
Managerial economics concepts and tools/ 
P. Jayasinghe 
 - Battaramulla:  "Expographic Books,"  2018 
 - 507p. 
<br/><br/><label>ISBN: </label>978 955 1879 01 3 
<br/><br/><label>Subjects--Index Terms: </label>demandproductioncost market structuresdecision maket 
<br/><br/><label>Dewey Class. No.: </label>658.4