Effectiveness of tax incentives of BOI projects in Sri Lanka special reference to export category 
Iranganie, U.H.M. 
 -  2016 
 - xiii,70p.: 
<br/><br/> Medagama, S., & Dharmawardena, S. 
<br/><br/><label>Gov. Doc. Class. No.: </label>MPM/T/383